231373488816 has 60 divisors (see below), whose sum is σ = 648305842080. Its totient is φ = 77031423360.

The previous prime is 231373488767. The next prime is 231373488821. The reversal of 231373488816 is 618884373132.

It is a happy number.

231373488816 is a `hidden beast` number, since 2 + 3 + 13 + 73 + 488 + 81 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 849720 + ... + 1088471.

It is an arithmetic number, because the mean of its divisors is an integer number (10805097368).

Almost surely, 2^231373488816 is an apocalyptic number.

It is an amenable number.

231373488816 is an abundant number, since it is smaller than the sum of its proper divisors (416932353264).

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

231373488816 is a wasteful number, since it uses less digits than its factorization.

231373488816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1939034 (or 1939025 counting only the distinct ones).

The product of its digits is 4644864, while the sum is 54.

The spelling of 231373488816 in words is "two hundred thirty-one billion, three hundred seventy-three million, four hundred eighty-eight thousand, eight hundred sixteen".