431401120998 has 16 divisors (see below), whose sum is σ = 862843546800. Its totient is φ = 143793489536.

The previous prime is 431401120883. The next prime is 431401120999. The reversal of 431401120998 is 899021104134.

It is a super-2 number, since 2×431401120998² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431401120999) 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, 1584423 + ... + 1836626.

It is an arithmetic number, because the mean of its divisors is an integer number (53927721675).

Almost surely, 2^431401120998 is an apocalyptic number.

431401120998 is an abundant number, since it is smaller than the sum of its proper divisors (431442425802).

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

431401120998 is a wasteful number, since it uses less digits than its factorization.

431401120998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3442071.

The product of its (nonzero) digits is 62208, while the sum is 42.

The spelling of 431401120998 in words is "four hundred thirty-one billion, four hundred one million, one hundred twenty thousand, nine hundred ninety-eight".