31233031230 has 16 divisors (see below), whose sum is σ = 74959275024. Its totient is φ = 8328808320.

The previous prime is 31233031211. The next prime is 31233031259. The reversal of 31233031230 is 3213033213.

It is a junction number, because it is equal to n+sod(n) for n = 31233031197 and 31233031206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 520550491 + ... + 520550550.

It is an arithmetic number, because the mean of its divisors is an integer number (4684954689).

Almost surely, 2^31233031230 is an apocalyptic number.

31233031230 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

31233031230 is an abundant number, since it is smaller than the sum of its proper divisors (43726243794).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31233031230 is a wasteful number, since it uses less digits than its factorization.

31233031230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1041101051.

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 31233031230 its reverse (3213033213), we get a palindrome (34446064443).

The spelling of 31233031230 in words is "thirty-one billion, two hundred thirty-three million, thirty-one thousand, two hundred thirty".