31552442323 has 8 divisors (see below), whose sum is σ = 33430008528. Its totient is φ = 29677269504.

The previous prime is 31552442297. The next prime is 31552442329. The reversal of 31552442323 is 32324425513.

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 31552442323 - 2³³ = 22962507731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31552442329) 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, 571161 + ... + 623962.

It is an arithmetic number, because the mean of its divisors is an integer number (4178751066).

Almost surely, 2^31552442323 is an apocalyptic number.

31552442323 is a deficient number, since it is larger than the sum of its proper divisors (1877566205).

31552442323 is a wasteful number, since it uses less digits than its factorization.

31552442323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1196693.

The product of its digits is 86400, while the sum is 34.

Adding to 31552442323 its reverse (32324425513), we get a palindrome (63876867836).

The spelling of 31552442323 in words is "thirty-one billion, five hundred fifty-two million, four hundred forty-two thousand, three hundred twenty-three".