831032040230138 has 16 divisors (see below), whose sum is σ = 1273071246793344. Its totient is φ = 406674970289280.

The previous prime is 831032040230131. The next prime is 831032040230191.

It is a happy number.

831032040230138 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×831032040230138² (a number of 31 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (831032040230131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 211813733 + ... + 215701463.

It is an arithmetic number, because the mean of its divisors is an integer number (79566952924584).

Almost surely, 2^{831032040230138} is an apocalyptic number.

831032040230138 is a deficient number, since it is larger than the sum of its proper divisors (442039206563206).

831032040230138 is a wasteful number, since it uses less digits than its factorization.

831032040230138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6161797.

The product of its (nonzero) digits is 82944, while the sum is 38.

The spelling of 831032040230138 in words is "eight hundred thirty-one trillion, thirty-two billion, forty million, two hundred thirty thousand, one hundred thirty-eight".