225372826031 has 4 divisors (see below), whose sum is σ = 225412699512. Its totient is φ = 225332952552.

The previous prime is 225372826009. The next prime is 225372826033. The reversal of 225372826031 is 130628273522.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-225372826031 is a prime.

It is a super-2 number, since 2×225372826031² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 225372826031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225372826033) 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, 19928261 + ... + 19939566.

It is an arithmetic number, because the mean of its divisors is an integer number (56353174878).

Almost surely, 2^225372826031 is an apocalyptic number.

225372826031 is a deficient number, since it is larger than the sum of its proper divisors (39873481).

225372826031 is an equidigital number, since it uses as much as digits as its factorization.

225372826031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39873480.

The product of its (nonzero) digits is 241920, while the sum is 41.

The spelling of 225372826031 in words is "two hundred twenty-five billion, three hundred seventy-two million, eight hundred twenty-six thousand, thirty-one".