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31203312003032 = 2313497876026309
BaseRepresentation
bin1110001100001000101100…
…10100111110011111011000
311002111000012110112001111112
413012010112110332133120
513042213340333044112
6150210334215315452
76400236105555611
oct706042624763730
9132430173461445
1031203312003032
119a40283180034
1235bb4b207bb88
1314545c8c4c760
1479c3696d6c08
15391a0a638a22
hex1c611653e7d8

31203312003032 has 32 divisors (see below), whose sum is σ = 63007963678800. Its totient is φ = 14401236964224.

The previous prime is 31203312003029. The next prime is 31203312003037. The reversal of 31203312003032 is 23030021330213.

It is a junction number, because it is equal to n+sod(n) for n = 31203312002989 and 31203312003007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31203312003037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2164694 + ... + 8191002.

Almost surely, 231203312003032 is an apocalyptic number.

It is an amenable number.

31203312003032 is an abundant number, since it is smaller than the sum of its proper divisors (31804651675768).

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

31203312003032 is a wasteful number, since it uses less digits than its factorization.

31203312003032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6076115 (or 6076111 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 31203312003032 its reverse (23030021330213), we get a palindrome (54233333333245).

The spelling of 31203312003032 in words is "thirty-one trillion, two hundred three billion, three hundred twelve million, three thousand, thirty-two".

Divisors: 1 2 4 8 13 26 52 104 49787 99574 199148 398296 647231 1294462 2588924 5177848 6026309 12052618 24105236 48210472 78342017 156684034 313368068 626736136 300031846183 600063692366 1200127384732 2400254769464 3900414000379 7800828000758 15601656001516 31203312003032