2731557231004 has 12 divisors (see below), whose sum is σ = 5463114462064. Its totient is φ = 1170667384704.

The previous prime is 2731557231001. The next prime is 2731557231041. The reversal of 2731557231004 is 4001327551372.

It is a happy number.

2731557231004 is an admirable number.

It is a super-2 number, since 2×2731557231004² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2731557231001) by changing a digit.

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, 48777807669 + ... + 48777807724.

Almost surely, 2^{2731557231004} is an apocalyptic number.

It is an amenable number.

2731557231004 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2731557231004 is a wasteful number, since it uses less digits than its factorization.

2731557231004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97555615404 (or 97555615402 counting only the distinct ones).

The product of its (nonzero) digits is 176400, while the sum is 40.

The spelling of 2731557231004 in words is "two trillion, seven hundred thirty-one billion, five hundred fifty-seven million, two hundred thirty-one thousand, four".