131121311232253 has 8 divisors (see below), whose sum is σ = 131414370910200. Its totient is φ = 130828256133120.

The previous prime is 131121311232227. The next prime is 131121311232323. The reversal of 131121311232253 is 352232113121131.

It can be written as a sum of positive squares in 4 ways, for example, as 1337950084 + 131119973282169 = 36578^2 + 11450763^2 .

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 131121311232253 - 2¹³ = 131121311224061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131121311232203) 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, 59815363 + ... + 61968703.

It is an arithmetic number, because the mean of its divisors is an integer number (16426796363775).

Almost surely, 2^{131121311232253} is an apocalyptic number.

It is an amenable number.

131121311232253 is a deficient number, since it is larger than the sum of its proper divisors (293059677947).

131121311232253 is a wasteful number, since it uses less digits than its factorization.

131121311232253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2289407.

The product of its digits is 6480, while the sum is 31.

Adding to 131121311232253 its reverse (352232113121131), we get a palindrome (483353424353384).

The spelling of 131121311232253 in words is "one hundred thirty-one trillion, one hundred twenty-one billion, three hundred eleven million, two hundred thirty-two thousand, two hundred fifty-three".