831421141124138 has 64 divisors (see below), whose sum is σ = 1297694859552000. Its totient is φ = 399029893753344.

The previous prime is 831421141124131. The next prime is 831421141124179.

It is a happy number.

831421141124138 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×831421141124138² (a number of 31 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (831421141124131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34774388528 + ... + 34774412436.

It is an arithmetic number, because the mean of its divisors is an integer number (20276482180500).

Almost surely, 2^{831421141124138} is an apocalyptic number.

831421141124138 is a deficient number, since it is larger than the sum of its proper divisors (466273718427862).

831421141124138 is a wasteful number, since it uses less digits than its factorization.

831421141124138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28079.

The product of its digits is 147456, while the sum is 44.

The spelling of 831421141124138 in words is "eight hundred thirty-one trillion, four hundred twenty-one billion, one hundred forty-one million, one hundred twenty-four thousand, one hundred thirty-eight".