2530643231 has 32 divisors (see below), whose sum is σ = 2815672320. Its totient is φ = 2265408000.

The previous prime is 2530643221. The next prime is 2530643263. The reversal of 2530643231 is 1323460352.

It is not a de Polignac number, because 2530643231 - 2¹⁰ = 2530642207 is a prime.

It is a super-4 number, since 4×2530643231⁴ (a number of 39 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 2530643194 and 2530643203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2530643221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6310631 + ... + 6311031.

It is an arithmetic number, because the mean of its divisors is an integer number (87989760).

Almost surely, 2^2530643231 is an apocalyptic number.

2530643231 is a deficient number, since it is larger than the sum of its proper divisors (285029089).

2530643231 is a wasteful number, since it uses less digits than its factorization.

2530643231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695.

The product of its (nonzero) digits is 12960, while the sum is 29.

The square root of 2530643231 is about 50305.4990135273. The cubic root of 2530643231 is about 1362.7315398778.

The spelling of 2530643231 in words is "two billion, five hundred thirty million, six hundred forty-three thousand, two hundred thirty-one".