31340300131031 has 2 divisors, whose sum is σ = 31340300131032. Its totient is φ = 31340300131030.

The previous prime is 31340300131009. The next prime is 31340300131097. The reversal of 31340300131031 is 13013100304313.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31340300131031 - 2⁶ = 31340300130967 is a prime.

It is a super-2 number, since 2×31340300131031² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31340300130988 and 31340300131006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31340300131331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15670150065515 + 15670150065516.

It is an arithmetic number, because the mean of its divisors is an integer number (15670150065516).

Almost surely, 2^{31340300131031} is an apocalyptic number.

31340300131031 is a deficient number, since it is larger than the sum of its proper divisors (1).

31340300131031 is an equidigital number, since it uses as much as digits as its factorization.

31340300131031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 31340300131031 its reverse (13013100304313), we get a palindrome (44353400435344).

The spelling of 31340300131031 in words is "thirty-one trillion, three hundred forty billion, three hundred million, one hundred thirty-one thousand, thirty-one".