102733131 has 4 divisors (see below), whose sum is σ = 136977512. Its totient is φ = 68488752.

The previous prime is 102733129. The next prime is 102733139. The reversal of 102733131 is 131337201.

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

It is not a de Polignac number, because 102733131 - 2¹ = 102733129 is a prime.

It is a super-2 number, since 2×102733131² = 21108192410126322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102733098 and 102733107.

It is not an unprimeable number, because it can be changed into a prime (102733139) 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, 17122186 + ... + 17122191.

It is an arithmetic number, because the mean of its divisors is an integer number (34244378).

Almost surely, 2^102733131 is an apocalyptic number.

102733131 is a deficient number, since it is larger than the sum of its proper divisors (34244381).

102733131 is an equidigital number, since it uses as much as digits as its factorization.

102733131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34244380.

The product of its (nonzero) digits is 378, while the sum is 21.

The square root of 102733131 is about 10135.7353457951. The cubic root of 102733131 is about 468.3496227777.

The spelling of 102733131 in words is "one hundred two million, seven hundred thirty-three thousand, one hundred thirty-one".