201653431 has 8 divisors (see below), whose sum is σ = 230781344. Its totient is φ = 172605600.

The previous prime is 201653423. The next prime is 201653437. The reversal of 201653431 is 134356102.

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

It is a cyclic number.

It is not a de Polignac number, because 201653431 - 2³ = 201653423 is a prime.

It is a super-2 number, since 2×201653431² = 81328212468143522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201653396 and 201653405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201653437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14520 + ... + 24781.

It is an arithmetic number, because the mean of its divisors is an integer number (28847668).

Almost surely, 2^201653431 is an apocalyptic number.

201653431 is a deficient number, since it is larger than the sum of its proper divisors (29127913).

201653431 is an equidigital number, since it uses as much as digits as its factorization.

201653431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40041.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 201653431 is about 14200.4729146603. The cubic root of 201653431 is about 586.4106807968.

The spelling of 201653431 in words is "two hundred one million, six hundred fifty-three thousand, four hundred thirty-one".