400112330131 has 2 divisors, whose sum is σ = 400112330132. Its totient is φ = 400112330130.

The previous prime is 400112330113. The next prime is 400112330159. The reversal of 400112330131 is 131033211004.

Together with previous prime (400112330113) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 400112330131 - 2¹⁷ = 400112199059 is a prime.

It is a super-2 number, since 2×400112330131² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 400112330099 and 400112330108.

It is not a weakly prime, because it can be changed into another prime (400112336131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200056165065 + 200056165066.

It is an arithmetic number, because the mean of its divisors is an integer number (200056165066).

Almost surely, 2^400112330131 is an apocalyptic number.

400112330131 is a deficient number, since it is larger than the sum of its proper divisors (1).

400112330131 is an equidigital number, since it uses as much as digits as its factorization.

400112330131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 400112330131 its reverse (131033211004), we get a palindrome (531145541135).

The spelling of 400112330131 in words is "four hundred billion, one hundred twelve million, three hundred thirty thousand, one hundred thirty-one".