31312203311129 has 8 divisors (see below), whose sum is σ = 33761026044480. Its totient is φ = 28869122250576.

The previous prime is 31312203311099. The next prime is 31312203311141. The reversal of 31312203311129 is 92111330221313.

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 31312203311129 - 2¹⁶ = 31312203245593 is a prime.

It is a super-2 number, since 2×31312203311129² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31312203311095 and 31312203311104.

It is not an unprimeable number, because it can be changed into a prime (31312203311189) 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, 1435406867 + ... + 1435428680.

It is an arithmetic number, because the mean of its divisors is an integer number (4220128255560).

Almost surely, 2^{31312203311129} is an apocalyptic number.

It is an amenable number.

31312203311129 is a deficient number, since it is larger than the sum of its proper divisors (2448822733351).

31312203311129 is a wasteful number, since it uses less digits than its factorization.

31312203311129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2870836399.

The product of its (nonzero) digits is 5832, while the sum is 32.

The spelling of 31312203311129 in words is "thirty-one trillion, three hundred twelve billion, two hundred three million, three hundred eleven thousand, one hundred twenty-nine".