2255240031 has 16 divisors (see below), whose sum is σ = 3282274560. Its totient is φ = 1366009920.

The previous prime is 2255239997. The next prime is 2255240041. The reversal of 2255240031 is 1300425522.

It is not a de Polignac number, because 2255240031 - 2¹⁵ = 2255207263 is a prime.

It is a super-2 number, since 2×2255240031² = 10172215194849761922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2255239983 and 2255240010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2255240041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39675 + ... + 78003.

It is an arithmetic number, because the mean of its divisors is an integer number (205142160).

Almost surely, 2^2255240031 is an apocalyptic number.

2255240031 is a deficient number, since it is larger than the sum of its proper divisors (1027034529).

2255240031 is a wasteful number, since it uses less digits than its factorization.

2255240031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40126.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 2255240031 is about 47489.3675573807. The cubic root of 2255240031 is about 1311.3871503757.

Adding to 2255240031 its reverse (1300425522), we get a palindrome (3555665553).

The spelling of 2255240031 in words is "two billion, two hundred fifty-five million, two hundred forty thousand, thirty-one".