86233031 has 4 divisors (see below), whose sum is σ = 86762232. Its totient is φ = 85703832.

The previous prime is 86233019. The next prime is 86233033. The reversal of 86233031 is 13033268.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86233031 is a prime.

It is a super-2 number, since 2×86233031² = 14872271270893922, 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 (86233033) 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, 264356 + ... + 264681.

It is an arithmetic number, because the mean of its divisors is an integer number (21690558).

Almost surely, 2^86233031 is an apocalyptic number.

86233031 is a deficient number, since it is larger than the sum of its proper divisors (529201).

86233031 is a wasteful number, since it uses less digits than its factorization.

86233031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529200.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 86233031 is about 9286.1741853144. The cubic root of 86233031 is about 441.7988188541.

Adding to 86233031 its reverse (13033268), we get a palindrome (99266299).

The spelling of 86233031 in words is "eighty-six million, two hundred thirty-three thousand, thirty-one".