31033130102 has 32 divisors (see below), whose sum is σ = 51504311712. Its totient is φ = 13930735104.

The previous prime is 31033130101. The next prime is 31033130119. The reversal of 31033130102 is 20103133013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31033130101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4014413 + ... + 4022135.

It is an arithmetic number, because the mean of its divisors is an integer number (1609509741).

Almost surely, 2^31033130102 is an apocalyptic number.

31033130102 is a deficient number, since it is larger than the sum of its proper divisors (20471181610).

31033130102 is a wasteful number, since it uses less digits than its factorization.

31033130102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11952.

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 31033130102 its reverse (20103133013), we get a palindrome (51136263115).

The spelling of 31033130102 in words is "thirty-one billion, thirty-three million, one hundred thirty thousand, one hundred two".