31310211130 has 32 divisors (see below), whose sum is σ = 61512462720. Its totient is φ = 11379865920.

The previous prime is 31310211113. The next prime is 31310211133. The reversal of 31310211130 is 3111201313.

It is not an unprimeable number, because it can be changed into a prime (31310211133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154492 + ... + 294088.

It is an arithmetic number, because the mean of its divisors is an integer number (1922264460).

Almost surely, 2^31310211130 is an apocalyptic number.

31310211130 is a deficient number, since it is larger than the sum of its proper divisors (30202251590).

31310211130 is a wasteful number, since it uses less digits than its factorization.

31310211130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141654.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 31310211130 its reverse (3111201313), we get a palindrome (34421412443).

The spelling of 31310211130 in words is "thirty-one billion, three hundred ten million, two hundred eleven thousand, one hundred thirty".