31312203110102 has 8 divisors (see below), whose sum is σ = 46987737152616. Its totient is φ = 15649624059232.

The previous prime is 31312203110087. The next prime is 31312203110107. The reversal of 31312203110102 is 20101130221313.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31312203110107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3238741868 + ... + 3238751535.

It is an arithmetic number, because the mean of its divisors is an integer number (5873467144077).

Almost surely, 2^{31312203110102} is an apocalyptic number.

31312203110102 is a deficient number, since it is larger than the sum of its proper divisors (15675534042514).

31312203110102 is a wasteful number, since it uses less digits than its factorization.

31312203110102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6477495822.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 31312203110102 its reverse (20101130221313), we get a palindrome (51413333331415).

The spelling of 31312203110102 in words is "thirty-one trillion, three hundred twelve billion, two hundred three million, one hundred ten thousand, one hundred two".