83233731 has 16 divisors (see below), whose sum is σ = 129927168. Its totient is φ = 46401600.

The previous prime is 83233723. The next prime is 83233763. The reversal of 83233731 is 13733238.

It is not a de Polignac number, because 83233731 - 2³ = 83233723 is a prime.

It is a super-2 number, since 2×83233731² = 13855707952360722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (83233721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47475 + ... + 49196.

It is an arithmetic number, because the mean of its divisors is an integer number (8120448).

Almost surely, 2^83233731 is an apocalyptic number.

83233731 is a deficient number, since it is larger than the sum of its proper divisors (46693437).

83233731 is a wasteful number, since it uses less digits than its factorization.

83233731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96722.

The product of its digits is 9072, while the sum is 30.

The square root of 83233731 is about 9123.2522161782. The cubic root of 83233731 is about 436.6161416851.

Adding to 83233731 its reverse (13733238), we get a palindrome (96966969).

The spelling of 83233731 in words is "eighty-three million, two hundred thirty-three thousand, seven hundred thirty-one".