83201431 has 8 divisors (see below), whose sum is σ = 85464720. Its totient is φ = 80953152.

The previous prime is 83201429. The next prime is 83201473. The reversal of 83201431 is 13410238.

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 83201431 - 2¹ = 83201429 is a prime.

It is a super-2 number, since 2×83201431² = 13844956240895522, 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 (83201411) 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, 7971 + ... + 15163.

It is an arithmetic number, because the mean of its divisors is an integer number (10683090).

Almost surely, 2^83201431 is an apocalyptic number.

83201431 is a deficient number, since it is larger than the sum of its proper divisors (2263289).

83201431 is a wasteful number, since it uses less digits than its factorization.

83201431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7505.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 83201431 is about 9121.4818423324. The cubic root of 83201431 is about 436.5596560678.

Adding to 83201431 its reverse (13410238), we get a palindrome (96611669).

The spelling of 83201431 in words is "eighty-three million, two hundred one thousand, four hundred thirty-one".