2531135004 has 24 divisors (see below), whose sum is σ = 6162764160. Its totient is φ = 807028464.

The previous prime is 2531134979. The next prime is 2531135011. The reversal of 2531135004 is 4005311352.

2531135004 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4585114 + ... + 4585665.

It is an arithmetic number, because the mean of its divisors is an integer number (256781840).

Almost surely, 2^2531135004 is an apocalyptic number.

It is an amenable number.

2531135004 is an abundant number, since it is smaller than the sum of its proper divisors (3631629156).

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

2531135004 is a wasteful number, since it uses less digits than its factorization.

2531135004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9170809 (or 9170807 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 2531135004 is about 50310.3866413288. The cubic root of 2531135004 is about 1362.8198061289.

Adding to 2531135004 its reverse (4005311352), we get a palindrome (6536446356).

The spelling of 2531135004 in words is "two billion, five hundred thirty-one million, one hundred thirty-five thousand, four".