431401121204 has 12 divisors (see below), whose sum is σ = 754976896800. Its totient is φ = 215693436408.

The previous prime is 431401121167. The next prime is 431401121209. The reversal of 431401121204 is 402121104134.

It is a super-2 number, since 2×431401121204² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 431401121204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431401121209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1643624 + ... + 1887935.

It is an arithmetic number, because the mean of its divisors is an integer number (62914741400).

Almost surely, 2^431401121204 is an apocalyptic number.

It is an amenable number.

431401121204 is a deficient number, since it is larger than the sum of its proper divisors (323575775596).

431401121204 is a wasteful number, since it uses less digits than its factorization.

431401121204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3562102 (or 3562100 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 431401121204 its reverse (402121104134), we get a palindrome (833522225338).

The spelling of 431401121204 in words is "four hundred thirty-one billion, four hundred one million, one hundred twenty-one thousand, two hundred four".