31312010129999 has 8 divisors (see below), whose sum is σ = 32040550608000. Its totient is φ = 30583485751896.

The previous prime is 31312010129927. The next prime is 31312010130001. The reversal of 31312010129999 is 99992101021313.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31312010129999 - 2¹⁶ = 31312010064463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31312010129399) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44747 + ... + 7913660.

It is an arithmetic number, because the mean of its divisors is an integer number (4005068826000).

Almost surely, 2^{31312010129999} is an apocalyptic number.

31312010129999 is a deficient number, since it is larger than the sum of its proper divisors (728540478001).

31312010129999 is an equidigital number, since it uses as much as digits as its factorization.

31312010129999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8049949.

The product of its (nonzero) digits is 236196, while the sum is 50.

The spelling of 31312010129999 in words is "thirty-one trillion, three hundred twelve billion, ten million, one hundred twenty-nine thousand, nine hundred ninety-nine".