10001131312 has 40 divisors (see below), whose sum is σ = 19878727680. Its totient is φ = 4871493120.

The previous prime is 10001131291. The next prime is 10001131379. The reversal of 10001131312 is 21313110001.

It is a junction number, because it is equal to n+sod(n) for n = 10001131292 and 10001131301.

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, 454353 + ... + 475855.

It is an arithmetic number, because the mean of its divisors is an integer number (496968192).

Almost surely, 2^10001131312 is an apocalyptic number.

It is an amenable number.

10001131312 is a deficient number, since it is larger than the sum of its proper divisors (9877596368).

10001131312 is a wasteful number, since it uses less digits than its factorization.

10001131312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22261 (or 22255 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 10001131312 its reverse (21313110001), we get a palindrome (31314241313).

The spelling of 10001131312 in words is "ten billion, one million, one hundred thirty-one thousand, three hundred twelve".