31214230125031 has 2 divisors, whose sum is σ = 31214230125032. Its totient is φ = 31214230125030.

The previous prime is 31214230125007. The next prime is 31214230125047. The reversal of 31214230125031 is 13052103241213.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31214230125031 - 2²⁹ = 31213693254119 is a prime.

It is a super-2 number, since 2×31214230125031² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31214230125131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15607115062515 + 15607115062516.

It is an arithmetic number, because the mean of its divisors is an integer number (15607115062516).

Almost surely, 2^{31214230125031} is an apocalyptic number.

31214230125031 is a deficient number, since it is larger than the sum of its proper divisors (1).

31214230125031 is an equidigital number, since it uses as much as digits as its factorization.

31214230125031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 28.

Adding to 31214230125031 its reverse (13052103241213), we get a palindrome (44266333366244).

The spelling of 31214230125031 in words is "thirty-one trillion, two hundred fourteen billion, two hundred thirty million, one hundred twenty-five thousand, thirty-one".