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31312031113032 = 2331983827310059
BaseRepresentation
bin1110001111010011001100…
…11111011101111101001000
311002212101211021201002010020
413013221212133131331020
513101004014431104112
6150332314251220440
76411135215010105
oct707514637357510
9132771737632106
1031312031113032
119a823a329556a
123618593a47720
131461933c72987
147a3720731aac
1539477006848c
hex1c7a667ddf48

31312031113032 has 64 divisors (see below), whose sum is σ = 83392854048000. Its totient is φ = 9768877164864.

The previous prime is 31312031113019. The next prime is 31312031113079. The reversal of 31312031113032 is 23031113021313.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 31312031112993 and 31312031113011.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 413617182 + ... + 413692877.

It is an arithmetic number, because the mean of its divisors is an integer number (1303013344500).

Almost surely, 231312031113032 is an apocalyptic number.

It is an amenable number.

31312031113032 is an abundant number, since it is smaller than the sum of its proper divisors (52080822934968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31312031113032 is a wasteful number, since it uses less digits than its factorization.

31312031113032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 827310170 (or 827310166 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 31312031113032 its reverse (23031113021313), we get a palindrome (54343144134345).

The spelling of 31312031113032 in words is "thirty-one trillion, three hundred twelve billion, thirty-one million, one hundred thirteen thousand, thirty-two".

Divisors: 1 2 3 4 6 8 12 19 24 38 57 76 83 114 152 166 228 249 332 456 498 664 996 1577 1992 3154 4731 6308 9462 12616 18924 37848 827310059 1654620118 2481930177 3309240236 4963860354 6618480472 9927720708 15718891121 19855441416 31437782242 47156673363 62875564484 68666734897 94313346726 125751128968 137333469794 188626693452 206000204691 274666939588 377253386904 412000409382 549333879176 824000818764 1304667963043 1648001637528 2609335926086 3914003889129 5218671852172 7828007778258 10437343704344 15656015556516 31312031113032