2531880351 has 144 divisors (see below), whose sum is σ = 5123926080. Its totient is φ = 1170892800.

The previous prime is 2531880313. The next prime is 2531880419. The reversal of 2531880351 is 1530881352.

It is not a de Polignac number, because 2531880351 - 2⁹ = 2531879839 is a prime.

It is a super-2 number, since 2×2531880351² = 12820836223559766402, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2531880301) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 2873431 + ... + 2874311.

It is an arithmetic number, because the mean of its divisors is an integer number (35582820).

Almost surely, 2^2531880351 is an apocalyptic number.

2531880351 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2531880351 is an abundant number, since it is smaller than the sum of its proper divisors (2592045729).

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

2531880351 is a wasteful number, since it uses less digits than its factorization.

2531880351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 958 (or 944 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 2531880351 is about 50317.7935823899. The cubic root of 2531880351 is about 1362.9535635096.

The spelling of 2531880351 in words is "two billion, five hundred thirty-one million, eight hundred eighty thousand, three hundred fifty-one".