43315693131 has 16 divisors (see below), whose sum is σ = 57854361600. Its totient is φ = 28827114528.

The previous prime is 43315693129. The next prime is 43315693147. The reversal of 43315693131 is 13139651334.

It is not a de Polignac number, because 43315693131 - 2¹ = 43315693129 is a prime.

It is a super-2 number, since 2×43315693131² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 43315693131.

It is not an unprimeable number, because it can be changed into a prime (43315693181) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8459190 + ... + 8464308.

It is an arithmetic number, because the mean of its divisors is an integer number (3615897600).

Almost surely, 2^43315693131 is an apocalyptic number.

43315693131 is a deficient number, since it is larger than the sum of its proper divisors (14538668469).

43315693131 is a wasteful number, since it uses less digits than its factorization.

43315693131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9458.

The product of its digits is 87480, while the sum is 39.

The spelling of 43315693131 in words is "forty-three billion, three hundred fifteen million, six hundred ninety-three thousand, one hundred thirty-one".