431083381 has 4 divisors (see below), whose sum is σ = 453772000. Its totient is φ = 408394764.

The previous prime is 431083357. The next prime is 431083417. The reversal of 431083381 is 183380134.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 431083381 - 2⁵ = 431083349 is a prime.

It is a super-2 number, since 2×431083381² = 371665762748782322, 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 (431083321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11344281 + ... + 11344318.

It is an arithmetic number, because the mean of its divisors is an integer number (113443000).

Almost surely, 2^431083381 is an apocalyptic number.

It is an amenable number.

431083381 is a deficient number, since it is larger than the sum of its proper divisors (22688619).

431083381 is a wasteful number, since it uses less digits than its factorization.

431083381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22688618.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 431083381 is about 20762.5475556349. The cubic root of 431083381 is about 755.4175904288.

The spelling of 431083381 in words is "four hundred thirty-one million, eighty-three thousand, three hundred eighty-one".