513231122039 has 2 divisors, whose sum is σ = 513231122040. Its totient is φ = 513231122038.

The previous prime is 513231122003. The next prime is 513231122147. The reversal of 513231122039 is 930221132315.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 513231122039 - 2⁸ = 513231121783 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 513231121996 and 513231122014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (513231122539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256615561019 + 256615561020.

It is an arithmetic number, because the mean of its divisors is an integer number (256615561020).

Almost surely, 2^513231122039 is an apocalyptic number.

513231122039 is a deficient number, since it is larger than the sum of its proper divisors (1).

513231122039 is an equidigital number, since it uses as much as digits as its factorization.

513231122039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 32.

The spelling of 513231122039 in words is "five hundred thirteen billion, two hundred thirty-one million, one hundred twenty-two thousand, thirty-nine".