13012021031 has 2 divisors, whose sum is σ = 13012021032. Its totient is φ = 13012021030.

The previous prime is 13012020979. The next prime is 13012021037.

13012021031 is nontrivially palindromic in base 10.

It is a strong prime.

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 13012021031 - 2³⁰ = 11938279207 is a prime.

It is a super-2 number, since 2×13012021031² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13012020997 and 13012021015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13012021037) 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, 6506010515 + 6506010516.

It is an arithmetic number, because the mean of its divisors is an integer number (6506010516).

Almost surely, 2^13012021031 is an apocalyptic number.

13012021031 is a deficient number, since it is larger than the sum of its proper divisors (1).

13012021031 is an equidigital number, since it uses as much as digits as its factorization.

13012021031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 14.

It can be divided in two parts, 130120 and 21031, that added together give a palindrome (151151).

The spelling of 13012021031 in words is "thirteen billion, twelve million, twenty-one thousand, thirty-one".