31642957223 has 8 divisors (see below), whose sum is σ = 32328082368. Its totient is φ = 30958326784.

The previous prime is 31642957189. The next prime is 31642957249. The reversal of 31642957223 is 32275924613.

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 31642957223 - 2¹⁰ = 31642956199 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 (31642950223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7115 + ... + 251667.

It is an arithmetic number, because the mean of its divisors is an integer number (4041010296).

Almost surely, 2^31642957223 is an apocalyptic number.

31642957223 is a deficient number, since it is larger than the sum of its proper divisors (685125145).

31642957223 is a wasteful number, since it uses less digits than its factorization.

31642957223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247353.

The product of its digits is 544320, while the sum is 44.

The spelling of 31642957223 in words is "thirty-one billion, six hundred forty-two million, nine hundred fifty-seven thousand, two hundred twenty-three".