201580431 has 32 divisors (see below), whose sum is σ = 300529152. Its totient is φ = 119387520.

The previous prime is 201580411. The next prime is 201580471. The reversal of 201580431 is 134085102.

It is not a de Polignac number, because 201580431 - 2⁹ = 201579919 is a prime.

It is a super-2 number, since 2×201580431² = 81269340324291522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201580411) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 118221 + ... + 119913.

It is an arithmetic number, because the mean of its divisors is an integer number (9391536).

Almost surely, 2^201580431 is an apocalyptic number.

201580431 is a deficient number, since it is larger than the sum of its proper divisors (98948721).

201580431 is a wasteful number, since it uses less digits than its factorization.

201580431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1823.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 201580431 is about 14197.9023450649. The cubic root of 201580431 is about 586.3399106209.

The spelling of 201580431 in words is "two hundred one million, five hundred eighty thousand, four hundred thirty-one".