2531071512 has 48 divisors (see below), whose sum is σ = 7091370000. Its totient is φ = 814597056.

The previous prime is 2531071511. The next prime is 2531071553. The reversal of 2531071512 is 2151701352.

It is a super-2 number, since 2×2531071512² = 12812645997715932288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2531071511) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 604012 + ... + 608187.

It is an arithmetic number, because the mean of its divisors is an integer number (147736875).

Almost surely, 2^2531071512 is an apocalyptic number.

It is an amenable number.

2531071512 is an abundant number, since it is smaller than the sum of its proper divisors (4560298488).

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

2531071512 is a wasteful number, since it uses less digits than its factorization.

2531071512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1212240 (or 1212233 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 27.

The square root of 2531071512 is about 50309.7556344691. The cubic root of 2531071512 is about 1362.8084108617.

Adding to 2531071512 its reverse (2151701352), we get a palindrome (4682772864).

The spelling of 2531071512 in words is "two billion, five hundred thirty-one million, seventy-one thousand, five hundred twelve".