102245311 has 6 divisors (see below), whose sum is σ = 118938480. Its totient is φ = 87638796.

The previous prime is 102245309. The next prime is 102245371. The reversal of 102245311 is 113542201.

It is not a de Polignac number, because 102245311 - 2¹ = 102245309 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 (102245371) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1043271 + ... + 1043368.

It is an arithmetic number, because the mean of its divisors is an integer number (19823080).

Almost surely, 2^102245311 is an apocalyptic number.

102245311 is a deficient number, since it is larger than the sum of its proper divisors (16693169).

102245311 is an equidigital number, since it uses as much as digits as its factorization.

102245311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2086653 (or 2086646 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 102245311 is about 10111.6423492922. The cubic root of 102245311 is about 467.6071395040.

Adding to 102245311 its reverse (113542201), we get a palindrome (215787512).

The spelling of 102245311 in words is "one hundred two million, two hundred forty-five thousand, three hundred eleven".