431140243451332 has 12 divisors (see below), whose sum is σ = 756669764445840. Its totient is φ = 214948882181096.

The previous prime is 431140243451329. The next prime is 431140243451377. The reversal of 431140243451332 is 233154342041134.

It is a super-2 number, since 2×431140243451332² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155309884582 + ... + 155309887357.

It is an arithmetic number, because the mean of its divisors is an integer number (63055813703820).

Almost surely, 2^{431140243451332} is an apocalyptic number.

It is an amenable number.

431140243451332 is a deficient number, since it is larger than the sum of its proper divisors (325529520994508).

431140243451332 is a wasteful number, since it uses less digits than its factorization.

431140243451332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310619772290 (or 310619772288 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 40.

Adding to 431140243451332 its reverse (233154342041134), we get a palindrome (664294585492466).

The spelling of 431140243451332 in words is "four hundred thirty-one trillion, one hundred forty billion, two hundred forty-three million, four hundred fifty-one thousand, three hundred thirty-two".