10961631 has 24 divisors (see below), whose sum is σ = 16548480. Its totient is φ = 6984000.

The previous prime is 10961627. The next prime is 10961633. The reversal of 10961631 is 13616901.

10961631 is a `hidden beast` number, since 10 + 9 + 616 + 31 = 666.

It is not a de Polignac number, because 10961631 - 2² = 10961627 is a prime.

It is a super-2 number, since 2×10961631² = 240314708360322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10961595 and 10961604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10961633) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27985 + ... + 28373.

It is an arithmetic number, because the mean of its divisors is an integer number (689520).

Almost surely, 2^10961631 is an apocalyptic number.

10961631 is a deficient number, since it is larger than the sum of its proper divisors (5586849).

10961631 is a wasteful number, since it uses less digits than its factorization.

10961631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527 (or 524 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 10961631 is about 3310.8353930692. The cubic root of 10961631 is about 222.1391263298.

The spelling of 10961631 in words is "ten million, nine hundred sixty-one thousand, six hundred thirty-one".