201353431 has 16 divisors (see below), whose sum is σ = 221840640. Its totient is φ = 181906560.

The previous prime is 201353429. The next prime is 201353447. The reversal of 201353431 is 134353102.

It is a cyclic number.

It is not a de Polignac number, because 201353431 - 2¹ = 201353429 is a prime.

It is a super-2 number, since 2×201353431² = 81086408350943522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201353461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 228111 + ... + 228991.

It is an arithmetic number, because the mean of its divisors is an integer number (13865040).

Almost surely, 2^201353431 is an apocalyptic number.

201353431 is a deficient number, since it is larger than the sum of its proper divisors (20487209).

201353431 is a wasteful number, since it uses less digits than its factorization.

201353431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1446.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 201353431 is about 14189.9059545862. The cubic root of 201353431 is about 586.1197352276.

The spelling of 201353431 in words is "two hundred one million, three hundred fifty-three thousand, four hundred thirty-one".