102799331 has 2 divisors, whose sum is σ = 102799332. Its totient is φ = 102799330.

The previous prime is 102799297. The next prime is 102799337. The reversal of 102799331 is 133997201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102799331 - 2²² = 98605027 is a prime.

It is a super-2 number, since 2×102799331² = 21135404908095122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102799291 and 102799300.

It is not a weakly prime, because it can be changed into another prime (102799337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51399665 + 51399666.

It is an arithmetic number, because the mean of its divisors is an integer number (51399666).

Almost surely, 2^102799331 is an apocalyptic number.

102799331 is a deficient number, since it is larger than the sum of its proper divisors (1).

102799331 is an equidigital number, since it uses as much as digits as its factorization.

102799331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10206, while the sum is 35.

The square root of 102799331 is about 10139.0004931453. Note that the first 3 decimals coincide. The cubic root of 102799331 is about 468.4502008075.

The spelling of 102799331 in words is "one hundred two million, seven hundred ninety-nine thousand, three hundred thirty-one".