431220233402133 has 32 divisors (see below), whose sum is σ = 702005183063040. Its totient is φ = 229958315452800.

The previous prime is 431220233402053. The next prime is 431220233402173. The reversal of 431220233402133 is 331204332022134.

It is not a de Polignac number, because 431220233402133 - 2⁹ = 431220233401621 is a prime.

It is a super-2 number, since 2×431220233402133² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 431220233402094 and 431220233402103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431220233402173) 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, 8065290168 + ... + 8065343633.

It is an arithmetic number, because the mean of its divisors is an integer number (21937661970720).

Almost surely, 2^{431220233402133} is an apocalyptic number.

It is an amenable number.

431220233402133 is a deficient number, since it is larger than the sum of its proper divisors (270784949660907).

431220233402133 is a wasteful number, since it uses less digits than its factorization.

431220233402133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16130633897.

The product of its (nonzero) digits is 62208, while the sum is 33.

Adding to 431220233402133 its reverse (331204332022134), we get a palindrome (762424565424267).

The spelling of 431220233402133 in words is "four hundred thirty-one trillion, two hundred twenty billion, two hundred thirty-three million, four hundred two thousand, one hundred thirty-three".