31020122102 has 8 divisors (see below), whose sum is σ = 46981932816. Its totient is φ = 15359477832.

The previous prime is 31020122093. The next prime is 31020122129. The reversal of 31020122102 is 20122102013.

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 an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75291353 + ... + 75291764.

It is an arithmetic number, because the mean of its divisors is an integer number (5872741602).

Almost surely, 2^31020122102 is an apocalyptic number.

31020122102 is a deficient number, since it is larger than the sum of its proper divisors (15961810714).

31020122102 is a wasteful number, since it uses less digits than its factorization.

31020122102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150583222.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 31020122102 its reverse (20122102013), we get a palindrome (51142224115).

The spelling of 31020122102 in words is "thirty-one billion, twenty million, one hundred twenty-two thousand, one hundred two".