40031330162131 has 16 divisors (see below), whose sum is σ = 49910042476800. Its totient is φ = 31192712016480.

The previous prime is 40031330162081. The next prime is 40031330162137. The reversal of 40031330162131 is 13126103313004.

It is not a de Polignac number, because 40031330162131 - 2²¹ = 40031328064979 is a prime.

It is a super-2 number, since 2×40031330162131² (a number of 28 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 40031330162131.

It is not an unprimeable number, because it can be changed into a prime (40031330162137) 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, 136720 + ... + 8948818.

It is an arithmetic number, because the mean of its divisors is an integer number (3119377654800).

Almost surely, 2^{40031330162131} is an apocalyptic number.

40031330162131 is a deficient number, since it is larger than the sum of its proper divisors (9878712314669).

40031330162131 is a wasteful number, since it uses less digits than its factorization.

40031330162131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8871114.

The product of its (nonzero) digits is 3888, while the sum is 28.

Adding to 40031330162131 its reverse (13126103313004), we get a palindrome (53157433475135).

The spelling of 40031330162131 in words is "forty trillion, thirty-one billion, three hundred thirty million, one hundred sixty-two thousand, one hundred thirty-one".