225247430131 has 4 divisors (see below), whose sum is σ = 226759158000. Its totient is φ = 223735702264.

The previous prime is 225247430113. The next prime is 225247430153. The reversal of 225247430131 is 131034742522.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 131034742522 = 2 ⋅65517371261.

It is a cyclic number.

It is not a de Polignac number, because 225247430131 - 2⁹ = 225247429619 is a prime.

It is a super-2 number, since 2×225247430131² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225247430101) 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, 755863711 + ... + 755864008.

It is an arithmetic number, because the mean of its divisors is an integer number (56689789500).

Almost surely, 2^225247430131 is an apocalyptic number.

225247430131 is a deficient number, since it is larger than the sum of its proper divisors (1511727869).

225247430131 is a wasteful number, since it uses less digits than its factorization.

225247430131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1511727868.

The product of its (nonzero) digits is 40320, while the sum is 34.

The spelling of 225247430131 in words is "two hundred twenty-five billion, two hundred forty-seven million, four hundred thirty thousand, one hundred thirty-one".