431111041212276 has 72 divisors (see below), whose sum is σ = 1102318353831240. Its totient is φ = 142047639512064.

The previous prime is 431111041212221. The next prime is 431111041212277. The reversal of 431111041212276 is 672212140111134.

431111041212276 is a `hidden beast` number, since 4 + 3 + 1 + 1 + 1 + 10 + 412 + 1 + 227 + 6 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1680331468176 + 429430709744100 = 1296276^2 + 20722710^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 431111041212276.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431111041212277) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8597815 + ... + 30596478.

It is an arithmetic number, because the mean of its divisors is an integer number (15309977136545).

Almost surely, 2^{431111041212276} is an apocalyptic number.

It is an amenable number.

431111041212276 is an abundant number, since it is smaller than the sum of its proper divisors (671207312618964).

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

431111041212276 is a wasteful number, since it uses less digits than its factorization.

431111041212276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39197825 (or 39197820 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The spelling of 431111041212276 in words is "four hundred thirty-one trillion, one hundred eleven billion, forty-one million, two hundred twelve thousand, two hundred seventy-six".