2131253235251 has 8 divisors (see below), whose sum is σ = 2435729337600. Its totient is φ = 1826779971528.

The previous prime is 2131253235227. The next prime is 2131253235301. The reversal of 2131253235251 is 1525323521312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2131253235251 - 2¹⁸ = 2131252973107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2131253234251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1265840 + ... + 2421746.

It is an arithmetic number, because the mean of its divisors is an integer number (304466167200).

Almost surely, 2^{2131253235251} is an apocalyptic number.

2131253235251 is a deficient number, since it is larger than the sum of its proper divisors (304476102349).

2131253235251 is a wasteful number, since it uses less digits than its factorization.

2131253235251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1419313.

The product of its digits is 54000, while the sum is 35.

Adding to 2131253235251 its reverse (1525323521312), we get a palindrome (3656576756563).

The spelling of 2131253235251 in words is "two trillion, one hundred thirty-one billion, two hundred fifty-three million, two hundred thirty-five thousand, two hundred fifty-one".