831522080225138 has 8 divisors (see below), whose sum is σ = 1247289511904688. Its totient is φ = 415758909590244.

The previous prime is 831522080225087. The next prime is 831522080225173.

831522080225138 is nontrivially palindromic in base 10.

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

It is a super-2 number, since 2×831522080225138² (a number of 31 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1064773256 + ... + 1065553907.

It is an arithmetic number, because the mean of its divisors is an integer number (155911188988086).

Almost surely, 2^{831522080225138} is an apocalyptic number.

831522080225138 is a deficient number, since it is larger than the sum of its proper divisors (415767431679550).

831522080225138 is a wasteful number, since it uses less digits than its factorization.

831522080225138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2130522328.

The product of its (nonzero) digits is 1843200, while the sum is 50.

The spelling of 831522080225138 in words is "eight hundred thirty-one trillion, five hundred twenty-two billion, eighty million, two hundred twenty-five thousand, one hundred thirty-eight".