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31342717012 = 2217227113077
BaseRepresentation
bin11101001100001010…
…111110100001010100
32222220022211222211211
4131030022332201110
51003142213421022
622222035111204
72156462461465
oct351412764124
988808758754
1031342717012
1112324168212
1260a8742504
132c566084c9
1417348c8d6c
15c36955e77
hex74c2be854

31342717012 has 18 divisors (see below), whose sum is σ = 58266004622. Its totient is φ = 14749513344.

The previous prime is 31342717009. The next prime is 31342717037. The reversal of 31342717012 is 21071724313.

It can be written as a sum of positive squares in 3 ways, for example, as 18375429136 + 12967287876 = 135556^2 + 113874^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13555383 + ... + 13557694.

Almost surely, 231342717012 is an apocalyptic number.

It is an amenable number.

31342717012 is a deficient number, since it is larger than the sum of its proper divisors (26923287610).

31342717012 is a wasteful number, since it uses less digits than its factorization.

31342717012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27113115 (or 27113096 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 31.

The spelling of 31342717012 in words is "thirty-one billion, three hundred forty-two million, seven hundred seventeen thousand, twelve".

Divisors: 1 2 4 17 34 68 289 578 1156 27113077 54226154 108452308 460922309 921844618 1843689236 7835679253 15671358506 31342717012