102251311 has 16 divisors (see below), whose sum is σ = 110939328. Its totient is φ = 93888000.

The previous prime is 102251309. The next prime is 102251321. The reversal of 102251311 is 113152201.

It is a cyclic number.

It is not a de Polignac number, because 102251311 - 2¹ = 102251309 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 (102251321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 156261 + ... + 156913.

It is an arithmetic number, because the mean of its divisors is an integer number (6933708).

Almost surely, 2^102251311 is an apocalyptic number.

102251311 is a deficient number, since it is larger than the sum of its proper divisors (8688017).

102251311 is a wasteful number, since it uses less digits than its factorization.

102251311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 882.

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 102251311 is about 10111.9390326485. The cubic root of 102251311 is about 467.6162860944.

The spelling of 102251311 in words is "one hundred two million, two hundred fifty-one thousand, three hundred eleven".