225731631037 has 8 divisors (see below), whose sum is σ = 249721036992. Its totient is φ = 202320283200.

The previous prime is 225731631019. The next prime is 225731631061. The reversal of 225731631037 is 730136137522.

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 225731631037 - 2⁷ = 225731630909 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 (225731631077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144513708 + ... + 144515269.

It is an arithmetic number, because the mean of its divisors is an integer number (31215129624).

Almost surely, 2^225731631037 is an apocalyptic number.

It is an amenable number.

225731631037 is a deficient number, since it is larger than the sum of its proper divisors (23989405955).

225731631037 is a wasteful number, since it uses less digits than its factorization.

225731631037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289029059.

The product of its (nonzero) digits is 158760, while the sum is 40.

Adding to 225731631037 its reverse (730136137522), we get a palindrome (955867768559).

The spelling of 225731631037 in words is "two hundred twenty-five billion, seven hundred thirty-one million, six hundred thirty-one thousand, thirty-seven".