400946112131 has 2 divisors, whose sum is σ = 400946112132. Its totient is φ = 400946112130.

The previous prime is 400946111921. The next prime is 400946112209. The reversal of 400946112131 is 131211649004.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-400946112131 is a prime.

It is a super-2 number, since 2×400946112131² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (400946112331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200473056065 + 200473056066.

It is an arithmetic number, because the mean of its divisors is an integer number (200473056066).

Almost surely, 2^400946112131 is an apocalyptic number.

400946112131 is a deficient number, since it is larger than the sum of its proper divisors (1).

400946112131 is an equidigital number, since it uses as much as digits as its factorization.

400946112131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 32.

The spelling of 400946112131 in words is "four hundred billion, nine hundred forty-six million, one hundred twelve thousand, one hundred thirty-one".