31325126623 has 8 divisors (see below), whose sum is σ = 35815654400. Its totient is φ = 26838476280.

The previous prime is 31325126617. The next prime is 31325126659. The reversal of 31325126623 is 32662152313.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 31325126623 - 2⁹ = 31325126111 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 (31325126603) 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, 952023 + ... + 984376.

It is an arithmetic number, because the mean of its divisors is an integer number (4476956800).

Almost surely, 2^31325126623 is an apocalyptic number.

31325126623 is a deficient number, since it is larger than the sum of its proper divisors (4490527777).

31325126623 is a wasteful number, since it uses less digits than its factorization.

31325126623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1938717.

The product of its digits is 38880, while the sum is 34.

Adding to 31325126623 its reverse (32662152313), we get a palindrome (63987278936).

The spelling of 31325126623 in words is "thirty-one billion, three hundred twenty-five million, one hundred twenty-six thousand, six hundred twenty-three".