102631366 has 4 divisors (see below), whose sum is σ = 153947052. Its totient is φ = 51315682.

The previous prime is 102631351. The next prime is 102631379. The reversal of 102631366 is 663136201.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 25657840 + ... + 25657843.

It is an arithmetic number, because the mean of its divisors is an integer number (38486763).

Almost surely, 2^102631366 is an apocalyptic number.

102631366 is a deficient number, since it is larger than the sum of its proper divisors (51315686).

102631366 is an equidigital number, since it uses as much as digits as its factorization.

102631366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51315685.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 102631366 is about 10130.7139926068. The cubic root of 102631366 is about 468.1949263487.

Adding to 102631366 its reverse (663136201), we get a palindrome (765767567).

The spelling of 102631366 in words is "one hundred two million, six hundred thirty-one thousand, three hundred sixty-six".