102150313331 has 4 divisors (see below), whose sum is σ = 111436705464. Its totient is φ = 92863921200.

The previous prime is 102150313327. The next prime is 102150313351. The reversal of 102150313331 is 133313051201.

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 102150313331 - 2² = 102150313327 is a prime.

It is a super-2 number, since 2×102150313331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102150313297 and 102150313306.

It is not an unprimeable number, because it can be changed into a prime (102150313351) 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, 4643196050 + ... + 4643196071.

It is an arithmetic number, because the mean of its divisors is an integer number (27859176366).

Almost surely, 2^102150313331 is an apocalyptic number.

102150313331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

102150313331 is a deficient number, since it is larger than the sum of its proper divisors (9286392133).

102150313331 is an equidigital number, since it uses as much as digits as its factorization.

102150313331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9286392132.

The product of its (nonzero) digits is 810, while the sum is 23.

Adding to 102150313331 its reverse (133313051201), we get a palindrome (235463364532).

The spelling of 102150313331 in words is "one hundred two billion, one hundred fifty million, three hundred thirteen thousand, three hundred thirty-one".