831123848321138 has 8 divisors (see below), whose sum is σ = 1246690318955760. Its totient is φ = 415560408669220.

The previous prime is 831123848321101. The next prime is 831123848321161.

It is a happy number.

831123848321138 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 757060028 + ... + 758157063.

It is an arithmetic number, because the mean of its divisors is an integer number (155836289869470).

Almost surely, 2^{831123848321138} is an apocalyptic number.

831123848321138 is a deficient number, since it is larger than the sum of its proper divisors (415566470634622).

831123848321138 is a wasteful number, since it uses less digits than its factorization.

831123848321138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1515491352.

The product of its digits is 5308416, while the sum is 56.

The spelling of 831123848321138 in words is "eight hundred thirty-one trillion, one hundred twenty-three billion, eight hundred forty-eight million, three hundred twenty-one thousand, one hundred thirty-eight".