272881431 has 24 divisors (see below), whose sum is σ = 403650000. Its totient is φ = 177585792.

The previous prime is 272881429. The next prime is 272881493. The reversal of 272881431 is 134188272.

It is not a de Polignac number, because 272881431 - 2¹ = 272881429 is a prime.

It is a super-2 number, since 2×272881431² = 148928550769215522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (272881421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 77395 + ... + 80843.

It is an arithmetic number, because the mean of its divisors is an integer number (16818750).

Almost surely, 2^272881431 is an apocalyptic number.

272881431 is a deficient number, since it is larger than the sum of its proper divisors (130768569).

272881431 is a wasteful number, since it uses less digits than its factorization.

272881431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3663 (or 3660 counting only the distinct ones).

The product of its digits is 21504, while the sum is 36.

The square root of 272881431 is about 16519.1231910171. The cubic root of 272881431 is about 648.6214816644.

The spelling of 272881431 in words is "two hundred seventy-two million, eight hundred eighty-one thousand, four hundred thirty-one".