431270090 has 8 divisors (see below), whose sum is σ = 776286180. Its totient is φ = 172508032.

The previous prime is 431270087. The next prime is 431270131. The reversal of 431270090 is 90072134.

It can be written as a sum of positive squares in 2 ways, for example, as 429774361 + 1495729 = 20731^2 + 1223^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 21563495 + ... + 21563514.

Almost surely, 2^431270090 is an apocalyptic number.

431270090 is a deficient number, since it is larger than the sum of its proper divisors (345016090).

431270090 is a wasteful number, since it uses less digits than its factorization.

431270090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43127016.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 431270090 is about 20767.0433620195. The cubic root of 431270090 is about 755.5266357715.

The spelling of 431270090 in words is "four hundred thirty-one million, two hundred seventy thousand, ninety".