102214331 has 4 divisors (see below), whose sum is σ = 104389152. Its totient is φ = 100039512.

The previous prime is 102214291. The next prime is 102214349. The reversal of 102214331 is 133412201.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102214331 is a prime.

It is a super-2 number, since 2×102214331² = 20895538923555122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102214361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1087340 + ... + 1087433.

It is an arithmetic number, because the mean of its divisors is an integer number (26097288).

Almost surely, 2^102214331 is an apocalyptic number.

102214331 is a deficient number, since it is larger than the sum of its proper divisors (2174821).

102214331 is an equidigital number, since it uses as much as digits as its factorization.

102214331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2174820.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 102214331 is about 10110.1103356986. The cubic root of 102214331 is about 467.5599069140.

Adding to 102214331 its reverse (133412201), we get a palindrome (235626532).

The spelling of 102214331 in words is "one hundred two million, two hundred fourteen thousand, three hundred thirty-one".