102313201331 has 4 divisors (see below), whose sum is σ = 111614401464. Its totient is φ = 93012001200.

The previous prime is 102313201297. The next prime is 102313201337. The reversal of 102313201331 is 133102313201.

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

It is a cyclic number.

It is not a de Polignac number, because 102313201331 - 2²² = 102309007027 is a prime.

It is a super-2 number, since 2×102313201331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102313201337) 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, 4650600050 + ... + 4650600071.

It is an arithmetic number, because the mean of its divisors is an integer number (27903600366).

Almost surely, 2^102313201331 is an apocalyptic number.

102313201331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

102313201331 is a deficient number, since it is larger than the sum of its proper divisors (9301200133).

102313201331 is an equidigital number, since it uses as much as digits as its factorization.

102313201331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9301200132.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 102313201331 its reverse (133102313201), we get a palindrome (235415514532).

The spelling of 102313201331 in words is "one hundred two billion, three hundred thirteen million, two hundred one thousand, three hundred thirty-one".