2542386231 has 32 divisors (see below), whose sum is σ = 4695897600. Its totient is φ = 1320719040.

The previous prime is 2542386211. The next prime is 2542386263. The reversal of 2542386231 is 1326832452.

2542386231 is a `hidden beast` number, since 2 + 5 + 4 + 23 + 8 + 623 + 1 = 666.

It is not a de Polignac number, because 2542386231 - 2⁷ = 2542386103 is a prime.

It is a super-2 number, since 2×2542386231² = 12927455495156770722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2542386211) 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, 609366 + ... + 613523.

It is an arithmetic number, because the mean of its divisors is an integer number (146746800).

Almost surely, 2^2542386231 is an apocalyptic number.

2542386231 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2542386231 is a deficient number, since it is larger than the sum of its proper divisors (2153511369).

2542386231 is a wasteful number, since it uses less digits than its factorization.

2542386231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1222916 (or 1222910 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 2542386231 is about 50422.0807880833. The cubic root of 2542386231 is about 1364.8361257200.

The spelling of 2542386231 in words is "two billion, five hundred forty-two million, three hundred eighty-six thousand, two hundred thirty-one".