10400111231 has 2 divisors, whose sum is σ = 10400111232. Its totient is φ = 10400111230.

The previous prime is 10400111191. The next prime is 10400111237. The reversal of 10400111231 is 13211100401.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10400111231 - 2¹⁸ = 10399849087 is a prime.

It is a super-2 number, since 2×10400111231² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10400111237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5200055615 + 5200055616.

It is an arithmetic number, because the mean of its divisors is an integer number (5200055616).

Almost surely, 2^10400111231 is an apocalyptic number.

10400111231 is a deficient number, since it is larger than the sum of its proper divisors (1).

10400111231 is an equidigital number, since it uses as much as digits as its factorization.

10400111231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 10400111231 its reverse (13211100401), we get a palindrome (23611211632).

The spelling of 10400111231 in words is "ten billion, four hundred million, one hundred eleven thousand, two hundred thirty-one".