431220331332153 has 48 divisors (see below), whose sum is σ = 680321704233600. Its totient is φ = 261029143875840.

The previous prime is 431220331332143. The next prime is 431220331332157. The reversal of 431220331332153 is 351233133022134.

431220331332153 is a `hidden beast` number, since 4 + 3 + 1 + 220 + 331 + 33 + 21 + 53 = 666.

It is not a de Polignac number, because 431220331332153 - 2¹⁰ = 431220331331129 is a prime.

It is a super-2 number, since 2×431220331332153² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (431220331332157) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2160766588 + ... + 2160966146.

It is an arithmetic number, because the mean of its divisors is an integer number (14173368838200).

Almost surely, 2^{431220331332153} is an apocalyptic number.

It is an amenable number.

431220331332153 is a deficient number, since it is larger than the sum of its proper divisors (249101372901447).

431220331332153 is a wasteful number, since it uses less digits than its factorization.

431220331332153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225902 (or 225899 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 36.

Adding to 431220331332153 its reverse (351233133022134), we get a palindrome (782453464354287).

The spelling of 431220331332153 in words is "four hundred thirty-one trillion, two hundred twenty billion, three hundred thirty-one million, three hundred thirty-two thousand, one hundred fifty-three".