10631343975 has 48 divisors (see below), whose sum is σ = 21269852928. Its totient is φ = 4574154240.

The previous prime is 10631343973. The next prime is 10631343991. The reversal of 10631343975 is 57934313601.

It is a happy number.

It is not a de Polignac number, because 10631343975 - 2¹ = 10631343973 is a prime.

It is a super-2 number, since 2×10631343975² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10631343973) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 586669 + ... + 604518.

It is an arithmetic number, because the mean of its divisors is an integer number (443121936).

Almost surely, 2^10631343975 is an apocalyptic number.

10631343975 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

10631343975 is an abundant number, since it is smaller than the sum of its proper divisors (10638508953).

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

10631343975 is a wasteful number, since it uses less digits than its factorization.

10631343975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1191224 (or 1191219 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 42.

The spelling of 10631343975 in words is "ten billion, six hundred thirty-one million, three hundred forty-three thousand, nine hundred seventy-five".