23131303012 has 12 divisors (see below), whose sum is σ = 40497779056. Its totient is φ = 11560509000.

The previous prime is 23131303007. The next prime is 23131303049. The reversal of 23131303012 is 21030313132.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1275498 + ... + 1293505.

Almost surely, 2^23131303012 is an apocalyptic number.

It is an amenable number.

23131303012 is a deficient number, since it is larger than the sum of its proper divisors (17366476044).

23131303012 is a wasteful number, since it uses less digits than its factorization.

23131303012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2571258 (or 2571256 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 23131303012 its reverse (21030313132), we get a palindrome (44161616144).

The spelling of 23131303012 in words is "twenty-three billion, one hundred thirty-one million, three hundred three thousand, twelve".