102613312 has 14 divisors (see below), whose sum is σ = 203623418. Its totient is φ = 51306624.

The previous prime is 102613271. The next prime is 102613349. The reversal of 102613312 is 213316201.

It can be written as a sum of positive squares in only one way, i.e., 66324736 + 36288576 = 8144^2 + 6024^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 102613312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 801603 + ... + 801730.

Almost surely, 2^102613312 is an apocalyptic number.

It is an amenable number.

102613312 is a deficient number, since it is larger than the sum of its proper divisors (101010106).

102613312 is an equidigital number, since it uses as much as digits as its factorization.

102613312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1603345 (or 1603335 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 102613312 is about 10129.8229007224. The cubic root of 102613312 is about 468.1674711719.

Adding to 102613312 its reverse (213316201), we get a palindrome (315929513).

The spelling of 102613312 in words is "one hundred two million, six hundred thirteen thousand, three hundred twelve".