103202131 has 4 divisors (see below), whose sum is σ = 106531264. Its totient is φ = 99873000.

The previous prime is 103202123. The next prime is 103202137. The reversal of 103202131 is 131202301.

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 103202131 - 2³ = 103202123 is a prime.

It is a super-2 number, since 2×103202131² = 21301359685882322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103202137) 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, 1664520 + ... + 1664581.

It is an arithmetic number, because the mean of its divisors is an integer number (26632816).

Almost surely, 2^103202131 is an apocalyptic number.

103202131 is a deficient number, since it is larger than the sum of its proper divisors (3329133).

103202131 is an equidigital number, since it uses as much as digits as its factorization.

103202131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3329132.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 103202131 is about 10158.8449638726. The cubic root of 103202131 is about 469.0612483146.

Adding to 103202131 its reverse (131202301), we get a palindrome (234404432).

The spelling of 103202131 in words is "one hundred three million, two hundred two thousand, one hundred thirty-one".