831451326252 has 24 divisors (see below), whose sum is σ = 2006951478000. Its totient is φ = 267593530176.

The previous prime is 831451326247. The next prime is 831451326347. The reversal of 831451326252 is 252623154138.

It is a super-2 number, since 2×831451326252² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1194613627 + ... + 1194614322.

It is an arithmetic number, because the mean of its divisors is an integer number (83622978250).

Almost surely, 2^831451326252 is an apocalyptic number.

It is an amenable number.

831451326252 is an abundant number, since it is smaller than the sum of its proper divisors (1175500151748).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

831451326252 is a wasteful number, since it uses less digits than its factorization.

831451326252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2389227985 (or 2389227983 counting only the distinct ones).

The product of its digits is 345600, while the sum is 42.

The spelling of 831451326252 in words is "eight hundred thirty-one billion, four hundred fifty-one million, three hundred twenty-six thousand, two hundred fifty-two".