431440424021122 has 64 divisors (see below), whose sum is σ = 658345287600000. Its totient is φ = 212033314759680.

The previous prime is 431440424021111. The next prime is 431440424021197. The reversal of 431440424021122 is 221120424044134.

It is a super-2 number, since 2×431440424021122² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24669236154 + ... + 24669253642.

It is an arithmetic number, because the mean of its divisors is an integer number (10286645118750).

Almost surely, 2^{431440424021122} is an apocalyptic number.

431440424021122 is a deficient number, since it is larger than the sum of its proper divisors (226904863578878).

431440424021122 is a wasteful number, since it uses less digits than its factorization.

431440424021122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19699.

The product of its (nonzero) digits is 49152, while the sum is 34.

Adding to 431440424021122 its reverse (221120424044134), we get a palindrome (652560848065256).

The spelling of 431440424021122 in words is "four hundred thirty-one trillion, four hundred forty billion, four hundred twenty-four million, twenty-one thousand, one hundred twenty-two".