10631144 has 8 divisors (see below), whose sum is σ = 19933410. Its totient is φ = 5315568.

The previous prime is 10631143. The next prime is 10631147. The reversal of 10631144 is 44113601.

10631144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 10562500 + 68644 = 3250^2 + 262^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×10631144² = 226042445497472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10631143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 664439 + ... + 664454.

Almost surely, 2^10631144 is an apocalyptic number.

It is an amenable number.

10631144 is a deficient number, since it is larger than the sum of its proper divisors (9302266).

10631144 is a wasteful number, since it uses less digits than its factorization.

10631144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1328899 (or 1328895 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 10631144 is about 3260.5435129745. The cubic root of 10631144 is about 219.8838505352.

Adding to 10631144 its reverse (44113601), we get a palindrome (54744745).

The spelling of 10631144 in words is "ten million, six hundred thirty-one thousand, one hundred forty-four".