31263423324136 has 16 divisors (see below), whose sum is σ = 58690144648800. Its totient is φ = 15612718084464.

The previous prime is 31263423324127. The next prime is 31263423324137. The reversal of 31263423324136 is 63142332436213.

It is a junction number, because it is equal to n+sod(n) for n = 31263423324092 and 31263423324101.

It is not an unprimeable number, because it can be changed into a prime (31263423324137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2374190206 + ... + 2374203373.

It is an arithmetic number, because the mean of its divisors is an integer number (3668134040550).

Almost surely, 2^{31263423324136} is an apocalyptic number.

It is an amenable number.

31263423324136 is a deficient number, since it is larger than the sum of its proper divisors (27426721324664).

31263423324136 is a wasteful number, since it uses less digits than its factorization.

31263423324136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4748394408 (or 4748394404 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 43.

The spelling of 31263423324136 in words is "thirty-one trillion, two hundred sixty-three billion, four hundred twenty-three million, three hundred twenty-four thousand, one hundred thirty-six".