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31102331300030 = 2533164314613491
BaseRepresentation
bin1110001001001100100110…
…11010001010100010111110
311002010100112221111211122102
413010212103122022202332
513034040033303100110
6150052114100345102
76360032523006644
oct704462332124276
9132110487454572
1031102331300030
119a01474201291
1235a3a0b9a5192
131447c251cb2a3
1479750a30d194
1538e09a2805a5
hex1c499368a8be

31102331300030 has 32 divisors (see below), whose sum is σ = 56240666955648. Its totient is φ = 12384055965600.

The previous prime is 31102331300023. The next prime is 31102331300057. The reversal of 31102331300030 is 3000313320113.

It is a junction number, because it is equal to n+sod(n) for n = 31102331299975 and 31102331300011.

It is a congruent number.

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, 5178416 + ... + 9435075.

It is an arithmetic number, because the mean of its divisors is an integer number (1757520842364).

Almost surely, 231102331300030 is an apocalyptic number.

31102331300030 is a deficient number, since it is larger than the sum of its proper divisors (25138335655618).

31102331300030 is a wasteful number, since it uses less digits than its factorization.

31102331300030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14614472.

The product of its (nonzero) digits is 486, while the sum is 20.

Adding to 31102331300030 its reverse (3000313320113), we get a palindrome (34102644620143).

The spelling of 31102331300030 in words is "thirty-one trillion, one hundred two billion, three hundred thirty-one million, three hundred thousand, thirty".

Divisors: 1 2 5 10 331 643 662 1286 1655 3215 3310 6430 212833 425666 1064165 2128330 14613491 29226982 73067455 146134910 4837065521 9396474713 9674131042 18792949426 24185327605 46982373565 48370655210 93964747130 3110233130003 6220466260006 15551165650015 31102331300030