10402232131 has 2 divisors, whose sum is σ = 10402232132. Its totient is φ = 10402232130.

The previous prime is 10402232117. The next prime is 10402232167. The reversal of 10402232131 is 13123220401.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10402232131 is a prime.

It is a super-2 number, since 2×10402232131² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10402232099 and 10402232108.

It is not a weakly prime, because it can be changed into another prime (10402232431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5201116065 + 5201116066.

It is an arithmetic number, because the mean of its divisors is an integer number (5201116066).

Almost surely, 2^10402232131 is an apocalyptic number.

10402232131 is a deficient number, since it is larger than the sum of its proper divisors (1).

10402232131 is an equidigital number, since it uses as much as digits as its factorization.

10402232131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 10402232131 its reverse (13123220401), we get a palindrome (23525452532).

The spelling of 10402232131 in words is "ten billion, four hundred two million, two hundred thirty-two thousand, one hundred thirty-one".