2501230431 has 32 divisors (see below), whose sum is σ = 3962649600. Its totient is φ = 1402276512.

The previous prime is 2501230411. The next prime is 2501230439. The reversal of 2501230431 is 1340321052.

It is not a de Polignac number, because 2501230431 - 2¹¹ = 2501228383 is a prime.

It is a super-2 number, since 2×2501230431² = 12512307337920891522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 2501230398 and 2501230407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2501230439) 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, 31606 + ... + 77468.

It is an arithmetic number, because the mean of its divisors is an integer number (123832800).

Almost surely, 2^2501230431 is an apocalyptic number.

2501230431 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2501230431 is a deficient number, since it is larger than the sum of its proper divisors (1461419169).

2501230431 is an equidigital number, since it uses as much as digits as its factorization.

2501230431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45940 (or 45926 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 2501230431 is about 50012.3027964120. The cubic root of 2501230431 is about 1357.4314320172.

Adding to 2501230431 its reverse (1340321052), we get a palindrome (3841551483).

The spelling of 2501230431 in words is "two billion, five hundred one million, two hundred thirty thousand, four hundred thirty-one".