31233043130 has 32 divisors (see below), whose sum is σ = 56454024384. Its totient is φ = 12441154176.

The previous prime is 31233043117. The next prime is 31233043169. The reversal of 31233043130 is 3134033213.

It is a junction number, because it is equal to n+sod(n) for n = 31233043096 and 31233043105.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6724589 + ... + 6729231.

It is an arithmetic number, because the mean of its divisors is an integer number (1764188262).

Almost surely, 2^31233043130 is an apocalyptic number.

31233043130 is a deficient number, since it is larger than the sum of its proper divisors (25220981254).

31233043130 is a wasteful number, since it uses less digits than its factorization.

31233043130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7310.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 31233043130 its reverse (3134033213), we get a palindrome (34367076343).

The spelling of 31233043130 in words is "thirty-one billion, two hundred thirty-three million, forty-three thousand, one hundred thirty".