2531023412201 has 4 divisors (see below), whose sum is σ = 2532550887252. Its totient is φ = 2529495937152.

The previous prime is 2531023412189. The next prime is 2531023412207. The reversal of 2531023412201 is 1022143201352.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1313719422976 + 1217303989225 = 1146176^2 + 1103315^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2531023412201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2531023412207) 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, 763735040 + ... + 763738353.

It is an arithmetic number, because the mean of its divisors is an integer number (633137721813).

Almost surely, 2^{2531023412201} is an apocalyptic number.

It is an amenable number.

2531023412201 is a deficient number, since it is larger than the sum of its proper divisors (1527475051).

2531023412201 is a wasteful number, since it uses less digits than its factorization.

2531023412201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1527475050.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 2531023412201 its reverse (1022143201352), we get a palindrome (3553166613553).

The spelling of 2531023412201 in words is "two trillion, five hundred thirty-one billion, twenty-three million, four hundred twelve thousand, two hundred one".