321114402 has 64 divisors (see below), whose sum is σ = 858470400. Its totient is φ = 86916240.

The previous prime is 321114397. The next prime is 321114407. The reversal of 321114402 is 204411123.

It is an interprime number because it is at equal distance from previous prime (321114397) and next prime (321114407).

It is a super-2 number, since 2×321114402² = 206228918343635208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (321114407) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15174 + ... + 29537.

It is an arithmetic number, because the mean of its divisors is an integer number (13413600).

Almost surely, 2^321114402 is an apocalyptic number.

321114402 is an abundant number, since it is smaller than the sum of its proper divisors (537355998).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

321114402 is a wasteful number, since it uses less digits than its factorization.

321114402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44748 (or 44742 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 321114402 is about 17919.6652312480. The cubic root of 321114402 is about 684.7834590024.

Adding to 321114402 its reverse (204411123), we get a palindrome (525525525).

The spelling of 321114402 in words is "three hundred twenty-one million, one hundred fourteen thousand, four hundred two".