10931231964 has 48 divisors (see below), whose sum is σ = 25965900576. Its totient is φ = 3578265600.

The previous prime is 10931231963. The next prime is 10931232001. The reversal of 10931231964 is 46913213901.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10931231963) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 457564 + ... + 480860.

It is an arithmetic number, because the mean of its divisors is an integer number (540956262).

Almost surely, 2^10931231964 is an apocalyptic number.

It is an amenable number.

10931231964 is an abundant number, since it is smaller than the sum of its proper divisors (15034668612).

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

10931231964 is a wasteful number, since it uses less digits than its factorization.

10931231964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24006 (or 24004 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 39.

The spelling of 10931231964 in words is "ten billion, nine hundred thirty-one million, two hundred thirty-one thousand, nine hundred sixty-four".