102662531 has 8 divisors (see below), whose sum is σ = 105595920. Its totient is φ = 99737568.

The previous prime is 102662513. The next prime is 102662533. The reversal of 102662531 is 135266201.

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

It is a cyclic number.

It is not a de Polignac number, because 102662531 - 2⁶ = 102662467 is a prime.

It is a super-2 number, since 2×102662531² = 21079190542651922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102662531.

It is not an unprimeable number, because it can be changed into a prime (102662533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29000 + ... + 32346.

It is an arithmetic number, because the mean of its divisors is an integer number (13199490).

Almost surely, 2^102662531 is an apocalyptic number.

102662531 is a deficient number, since it is larger than the sum of its proper divisors (2933389).

102662531 is an equidigital number, since it uses as much as digits as its factorization.

102662531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4213.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 102662531 is about 10132.2520201582. The cubic root of 102662531 is about 468.2423121814.

The spelling of 102662531 in words is "one hundred two million, six hundred sixty-two thousand, five hundred thirty-one".