5131513971 has 16 divisors (see below), whose sum is σ = 8049434400. Its totient is φ = 3219773184.

The previous prime is 5131513943. The next prime is 5131513973. The reversal of 5131513971 is 1793151315.

5131513971 is a `hidden beast` number, since 5 + 131 + 513 + 9 + 7 + 1 = 666.

It is not a de Polignac number, because 5131513971 - 2⁷ = 5131513843 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5131513973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5589426 + ... + 5590343.

It is an arithmetic number, because the mean of its divisors is an integer number (503089650).

Almost surely, 2^5131513971 is an apocalyptic number.

5131513971 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

5131513971 is a deficient number, since it is larger than the sum of its proper divisors (2917920429).

5131513971 is a wasteful number, since it uses less digits than its factorization.

5131513971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11179795 (or 11179789 counting only the distinct ones).

The product of its digits is 14175, while the sum is 36.

The square root of 5131513971 is about 71634.5864160602. The cubic root of 5131513971 is about 1724.8387690516.

The spelling of 5131513971 in words is "five billion, one hundred thirty-one million, five hundred thirteen thousand, nine hundred seventy-one".