88203313 has 6 divisors (see below), whose sum is σ = 96950882. Its totient is φ = 80184720.

The previous prime is 88203307. The next prime is 88203317. The reversal of 88203313 is 31330288.

It can be written as a sum of positive squares in only one way, i.e., 71368704 + 16834609 = 8448^2 + 4103^2 .

It is not a de Polignac number, because 88203313 - 2⁵ = 88203281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88203317) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 364356 + ... + 364597.

Almost surely, 2^88203313 is an apocalyptic number.

It is an amenable number.

88203313 is a deficient number, since it is larger than the sum of its proper divisors (8747569).

88203313 is a wasteful number, since it uses less digits than its factorization.

88203313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 728975 (or 728964 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 88203313 is about 9391.6618870145. The cubic root of 88203313 is about 445.1383031802.

It can be divided in two parts, 88 and 203313, that added together give a square (203401 = 451²).

The spelling of 88203313 in words is "eighty-eight million, two hundred three thousand, three hundred thirteen".