103140131 has 4 divisors (see below), whose sum is σ = 106467264. Its totient is φ = 99813000.

The previous prime is 103140077. The next prime is 103140181. The reversal of 103140131 is 131041301.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103140131 is a prime.

It is a super-2 number, since 2×103140131² = 21275773245394322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103140181) 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 in 3 ways as a sum of consecutive naturals, for example, 1663520 + ... + 1663581.

It is an arithmetic number, because the mean of its divisors is an integer number (26616816).

Almost surely, 2^103140131 is an apocalyptic number.

103140131 is a deficient number, since it is larger than the sum of its proper divisors (3327133).

103140131 is an equidigital number, since it uses as much as digits as its factorization.

103140131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3327132.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 103140131 is about 10155.7929774095. The cubic root of 103140131 is about 468.9672979837.

Adding to 103140131 its reverse (131041301), we get a palindrome (234181432).

The spelling of 103140131 in words is "one hundred three million, one hundred forty thousand, one hundred thirty-one".