12401400031 has 2 divisors, whose sum is σ = 12401400032. Its totient is φ = 12401400030.

The previous prime is 12401400029. The next prime is 12401400059. The reversal of 12401400031 is 13000410421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12401400031 - 2¹ = 12401400029 is a prime.

It is a super-2 number, since 2×12401400031² (a number of 21 digits) contains 22 as substring.

Together with 12401400029, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 12401399978 and 12401400014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12401400331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6200700015 + 6200700016.

It is an arithmetic number, because the mean of its divisors is an integer number (6200700016).

Almost surely, 2^12401400031 is an apocalyptic number.

12401400031 is a deficient number, since it is larger than the sum of its proper divisors (1).

12401400031 is an equidigital number, since it uses as much as digits as its factorization.

12401400031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 12401400031 its reverse (13000410421), we get a palindrome (25401810452).

The spelling of 12401400031 in words is "twelve billion, four hundred one million, four hundred thousand, thirty-one".