87331303 has 4 divisors (see below), whose sum is σ = 87909808. Its totient is φ = 86752800.

The previous prime is 87331301. The next prime is 87331313. The reversal of 87331303 is 30313378.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30313378 = 2 ⋅15156689.

It is a cyclic number.

It is not a de Polignac number, because 87331303 - 2¹ = 87331301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87331301) 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, 289026 + ... + 289327.

It is an arithmetic number, because the mean of its divisors is an integer number (21977452).

Almost surely, 2^87331303 is an apocalyptic number.

87331303 is a deficient number, since it is larger than the sum of its proper divisors (578505).

87331303 is a wasteful number, since it uses less digits than its factorization.

87331303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578504.

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 87331303 is about 9345.1218825653. The cubic root of 87331303 is about 443.6665092411. Note that the first 3 decimals are identical.

The spelling of 87331303 in words is "eighty-seven million, three hundred thirty-one thousand, three hundred three".