31302320102 has 8 divisors (see below), whose sum is σ = 48098687112. Its totient is φ = 15269424400.

The previous prime is 31302320011. The next prime is 31302320131. The reversal of 31302320102 is 20102320313.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190867724 + ... + 190867887.

It is an arithmetic number, because the mean of its divisors is an integer number (6012335889).

Almost surely, 2^31302320102 is an apocalyptic number.

31302320102 is a deficient number, since it is larger than the sum of its proper divisors (16796367010).

31302320102 is a wasteful number, since it uses less digits than its factorization.

31302320102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381735654.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 31302320102 its reverse (20102320313), we get a palindrome (51404640415).

It can be divided in two parts, 3130 and 2320102, that added together give a palindrome (2323232).

The spelling of 31302320102 in words is "thirty-one billion, three hundred two million, three hundred twenty thousand, one hundred two".