431400234133220 has 24 divisors (see below), whose sum is σ = 988298718196608. Its totient is φ = 156872812412000.

The previous prime is 431400234133181. The next prime is 431400234133327. The reversal of 431400234133220 is 22331432004134.

It is a super-2 number, since 2×431400234133220² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 980455077356 + ... + 980455077795.

It is an arithmetic number, because the mean of its divisors is an integer number (41179113258192).

Almost surely, 2^{431400234133220} is an apocalyptic number.

It is an amenable number.

431400234133220 is an abundant number, since it is smaller than the sum of its proper divisors (556898484063388).

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

431400234133220 is a wasteful number, since it uses less digits than its factorization.

431400234133220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1960910155171 (or 1960910155169 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 431400234133220 its reverse (22331432004134), we get a palindrome (453731666137354).

The spelling of 431400234133220 in words is "four hundred thirty-one trillion, four hundred billion, two hundred thirty-four million, one hundred thirty-three thousand, two hundred twenty".