431111972 has 6 divisors (see below), whose sum is σ = 754445958. Its totient is φ = 215555984.

The previous prime is 431111953. The next prime is 431111983. The reversal of 431111972 is 279111134.

It can be written as a sum of positive squares in only one way, i.e., 344696356 + 86415616 = 18566^2 + 9296^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53888993 + ... + 53889000.

It is an arithmetic number, because the mean of its divisors is an integer number (125740993).

Almost surely, 2^431111972 is an apocalyptic number.

It is an amenable number.

431111972 is a deficient number, since it is larger than the sum of its proper divisors (323333986).

431111972 is a wasteful number, since it uses less digits than its factorization.

431111972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107777997 (or 107777995 counting only the distinct ones).

The product of its digits is 1512, while the sum is 29.

The square root of 431111972 is about 20763.2360676268. The cubic root of 431111972 is about 755.4342907299.

The spelling of 431111972 in words is "four hundred thirty-one million, one hundred eleven thousand, nine hundred seventy-two".