31704355311 has 32 divisors (see below), whose sum is σ = 43410259968. Its totient is φ = 20576112480.

The previous prime is 31704355307. The next prime is 31704355337. The reversal of 31704355311 is 11355340713.

It is not a de Polignac number, because 31704355311 - 2² = 31704355307 is a prime.

It is a super-2 number, since 2×31704355311² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31704315311) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6915526 + ... + 6920108.

It is an arithmetic number, because the mean of its divisors is an integer number (1356570624).

Almost surely, 2^31704355311 is an apocalyptic number.

31704355311 is a deficient number, since it is larger than the sum of its proper divisors (11705904657).

31704355311 is a wasteful number, since it uses less digits than its factorization.

31704355311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5051.

The product of its (nonzero) digits is 18900, while the sum is 33.

The spelling of 31704355311 in words is "thirty-one billion, seven hundred four million, three hundred fifty-five thousand, three hundred eleven".