31322414021 has 8 divisors (see below), whose sum is σ = 31673578560. Its totient is φ = 30972154752.

The previous prime is 31322413999. The next prime is 31322414023. The reversal of 31322414021 is 12041422313.

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 31322414021 - 2¹⁰ = 31322412997 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 (31322414023) 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, 156611 + ... + 295248.

It is an arithmetic number, because the mean of its divisors is an integer number (3959197320).

Almost surely, 2^31322414021 is an apocalyptic number.

It is an amenable number.

31322414021 is a deficient number, since it is larger than the sum of its proper divisors (351164539).

31322414021 is a wasteful number, since it uses less digits than its factorization.

31322414021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452635.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 31322414021 its reverse (12041422313), we get a palindrome (43363836334).

The spelling of 31322414021 in words is "thirty-one billion, three hundred twenty-two million, four hundred fourteen thousand, twenty-one".