10402551031 has 4 divisors (see below), whose sum is σ = 10623881952. Its totient is φ = 10181220112.

The previous prime is 10402551001. The next prime is 10402551043. The reversal of 10402551031 is 13015520401.

It is a happy number.

10402551031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10402551031 - 2¹⁷ = 10402419959 is a prime.

It is a super-2 number, since 2×10402551031² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10402550993 and 10402551011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10402551001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110665390 + ... + 110665483.

It is an arithmetic number, because the mean of its divisors is an integer number (2655970488).

Almost surely, 2^10402551031 is an apocalyptic number.

10402551031 is a deficient number, since it is larger than the sum of its proper divisors (221330921).

10402551031 is an equidigital number, since it uses as much as digits as its factorization.

10402551031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221330920.

The product of its (nonzero) digits is 600, while the sum is 22.

The spelling of 10402551031 in words is "ten billion, four hundred two million, five hundred fifty-one thousand, thirty-one".