31102013230 has 32 divisors (see below), whose sum is σ = 60027143040. Its totient is φ = 11560773120.

The previous prime is 31102013221. The next prime is 31102013231. The reversal of 31102013230 is 3231020113.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31102013231) 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, 1144501 + ... + 1171360.

It is an arithmetic number, because the mean of its divisors is an integer number (1875848220).

Almost surely, 2^31102013230 is an apocalyptic number.

31102013230 is a deficient number, since it is larger than the sum of its proper divisors (28925129810).

31102013230 is a wasteful number, since it uses less digits than its factorization.

31102013230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2315964.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 31102013230 its reverse (3231020113), we get a palindrome (34333033343).

The spelling of 31102013230 in words is "thirty-one billion, one hundred two million, thirteen thousand, two hundred thirty".