2530131231 has 8 divisors (see below), whose sum is σ = 3383701504. Its totient is φ = 1681657560.

The previous prime is 2530131229. The next prime is 2530131281. The reversal of 2530131231 is 1321310352.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2530131231 - 2¹ = 2530131229 is a prime.

It is a super-2 number, since 2×2530131231² = 12803128092163150722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2530131198 and 2530131207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2530131281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1272991 + ... + 1274976.

It is an arithmetic number, because the mean of its divisors is an integer number (422962688).

Almost surely, 2^2530131231 is an apocalyptic number.

2530131231 is a deficient number, since it is larger than the sum of its proper divisors (853570273).

2530131231 is a wasteful number, since it uses less digits than its factorization.

2530131231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2548301.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 2530131231 is about 50300.4098492249. The cubic root of 2530131231 is about 1362.6396310172.

Adding to 2530131231 its reverse (1321310352), we get a palindrome (3851441583).

The spelling of 2530131231 in words is "two billion, five hundred thirty million, one hundred thirty-one thousand, two hundred thirty-one".