431455203234012 has 24 divisors (see below), whose sum is σ = 1007703375636496. Its totient is φ = 143679177065088.

The previous prime is 431455203233927. The next prime is 431455203234023. The reversal of 431455203234012 is 210432302554134.

It is a happy number.

It is a super-2 number, since 2×431455203234012² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17402988703 + ... + 17403013494.

Almost surely, 2^{431455203234012} is an apocalyptic number.

It is an amenable number.

431455203234012 is an abundant number, since it is smaller than the sum of its proper divisors (576248172402484).

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

431455203234012 is a wasteful number, since it uses less digits than its factorization.

431455203234012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34806003237 (or 34806003235 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 39.

Adding to 431455203234012 its reverse (210432302554134), we get a palindrome (641887505788146).

The spelling of 431455203234012 in words is "four hundred thirty-one trillion, four hundred fifty-five billion, two hundred three million, two hundred thirty-four thousand, twelve".