21322304034031 has 144 divisors (see below), whose sum is σ = 29984673712224. Its totient is φ = 15013107648000.

The previous prime is 21322304033977. The next prime is 21322304034037. The reversal of 21322304034031 is 13043040322312.

It is a happy number.

It is not a de Polignac number, because 21322304034031 - 2¹⁹ = 21322303509743 is a prime.

It is a super-2 number, since 2×21322304034031² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21322304034037) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 992047321 + ... + 992068813.

Almost surely, 2^{21322304034031} is an apocalyptic number.

21322304034031 is a deficient number, since it is larger than the sum of its proper divisors (8662369678193).

21322304034031 is a wasteful number, since it uses less digits than its factorization.

21322304034031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21814 (or 21796 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 21322304034031 its reverse (13043040322312), we get a palindrome (34365344356343).

The spelling of 21322304034031 in words is "twenty-one trillion, three hundred twenty-two billion, three hundred four million, thirty-four thousand, thirty-one".