253415015302231 has 4 divisors (see below), whose sum is σ = 255657626057232. Its totient is φ = 251172404547232.

The previous prime is 253415015302223. The next prime is 253415015302297. The reversal of 253415015302231 is 132203510514352.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 253415015302231 - 2³ = 253415015302223 is a prime.

It is a super-2 number, since 2×253415015302231² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253415015300231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1121305377331 + ... + 1121305377556.

It is an arithmetic number, because the mean of its divisors is an integer number (63914406514308).

Almost surely, 2^{253415015302231} is an apocalyptic number.

253415015302231 is a deficient number, since it is larger than the sum of its proper divisors (2242610755001).

253415015302231 is a wasteful number, since it uses less digits than its factorization.

253415015302231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2242610755000.

The product of its (nonzero) digits is 108000, while the sum is 37.

Adding to 253415015302231 its reverse (132203510514352), we get a palindrome (385618525816583).

The spelling of 253415015302231 in words is "two hundred fifty-three trillion, four hundred fifteen billion, fifteen million, three hundred two thousand, two hundred thirty-one".