31353602105 has 16 divisors (see below), whose sum is σ = 43005396864. Its totient is φ = 21496527360.

The previous prime is 31353602057. The next prime is 31353602117. The reversal of 31353602105 is 50120635313.

It is not a de Polignac number, because 31353602105 - 2¹⁶ = 31353536569 is a prime.

It is a Duffinian 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, 198170 + ... + 319340.

It is an arithmetic number, because the mean of its divisors is an integer number (2687837304).

Almost surely, 2^31353602105 is an apocalyptic number.

31353602105 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

31353602105 is a deficient number, since it is larger than the sum of its proper divisors (11651794759).

31353602105 is a wasteful number, since it uses less digits than its factorization.

31353602105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128576.

The product of its (nonzero) digits is 8100, while the sum is 29.

The spelling of 31353602105 in words is "thirty-one billion, three hundred fifty-three million, six hundred two thousand, one hundred five".