87313011 has 8 divisors (see below), whose sum is σ = 116461200. Its totient is φ = 58186752.

The previous prime is 87312983. The next prime is 87313013. The reversal of 87313011 is 11031378.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 87313011 - 2²¹ = 85215859 is a prime.

It is a super-2 number, since 2×87313011² = 15247123779772242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (87313013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10315 + ... + 16763.

It is an arithmetic number, because the mean of its divisors is an integer number (14557650).

Almost surely, 2^87313011 is an apocalyptic number.

87313011 is a deficient number, since it is larger than the sum of its proper divisors (29148189).

87313011 is a wasteful number, since it uses less digits than its factorization.

87313011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10965.

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 87313011 is about 9344.1431388865. The cubic root of 87313011 is about 443.6355309848.

Adding to 87313011 its reverse (11031378), we get a palindrome (98344389).

The spelling of 87313011 in words is "eighty-seven million, three hundred thirteen thousand, eleven".