131222042325 has 72 divisors (see below), whose sum is σ = 256513046400. Its totient is φ = 63594739200.

The previous prime is 131222042311. The next prime is 131222042353. The reversal of 131222042325 is 523240222131.

131222042325 is a `hidden beast` number, since 1 + 3 + 12 + 220 + 423 + 2 + 5 = 666.

It is not a de Polignac number, because 131222042325 - 2¹⁵ = 131222009557 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 6283501 + ... + 6304349.

It is an arithmetic number, because the mean of its divisors is an integer number (3562681200).

Almost surely, 2^131222042325 is an apocalyptic number.

131222042325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

131222042325 is a deficient number, since it is larger than the sum of its proper divisors (125291004075).

131222042325 is a wasteful number, since it uses less digits than its factorization.

131222042325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23419 (or 23411 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 131222042325 its reverse (523240222131), we get a palindrome (654462264456).

The spelling of 131222042325 in words is "one hundred thirty-one billion, two hundred twenty-two million, forty-two thousand, three hundred twenty-five".