5131150031989 has 2 divisors, whose sum is σ = 5131150031990. Its totient is φ = 5131150031988.

The previous prime is 5131150031947. The next prime is 5131150032067. The reversal of 5131150031989 is 9891300511315.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2855366587089 + 2275783444900 = 1689783^2 + 1508570^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5131150031989 is a prime.

It is a super-2 number, since 2×5131150031989² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5131150031929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2565575015994 + 2565575015995.

It is an arithmetic number, because the mean of its divisors is an integer number (2565575015995).

Almost surely, 2^{5131150031989} is an apocalyptic number.

It is an amenable number.

5131150031989 is a deficient number, since it is larger than the sum of its proper divisors (1).

5131150031989 is an equidigital number, since it uses as much as digits as its factorization.

5131150031989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145800, while the sum is 46.

The spelling of 5131150031989 in words is "five trillion, one hundred thirty-one billion, one hundred fifty million, thirty-one thousand, nine hundred eighty-nine".