31163980519 has 16 divisors (see below), whose sum is σ = 38362382080. Its totient is φ = 24717571200.

The previous prime is 31163980517. The next prime is 31163980577. The reversal of 31163980519 is 91508936113.

It is not a de Polignac number, because 31163980519 - 2¹ = 31163980517 is a prime.

It is a super-2 number, since 2×31163980519² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31163980517) 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, 2718882 + ... + 2730319.

It is an arithmetic number, because the mean of its divisors is an integer number (2397648880).

Almost surely, 2^31163980519 is an apocalyptic number.

31163980519 is a deficient number, since it is larger than the sum of its proper divisors (7198401561).

31163980519 is a wasteful number, since it uses less digits than its factorization.

31163980519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5449270.

The product of its (nonzero) digits is 174960, while the sum is 46.

The spelling of 31163980519 in words is "thirty-one billion, one hundred sixty-three million, nine hundred eighty thousand, five hundred nineteen".