10403131 has 2 divisors, whose sum is σ = 10403132. Its totient is φ = 10403130.

The previous prime is 10403111. The next prime is 10403161. The reversal of 10403131 is 13130401.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10403131 is a prime.

It is a super-2 number, since 2×10403131² = 216450269206322, which contains 22 as substring.

It is a nialpdrome in base 15.

It is not a weakly prime, because it can be changed into another prime (10403111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5201565 + 5201566.

It is an arithmetic number, because the mean of its divisors is an integer number (5201566).

Almost surely, 2^10403131 is an apocalyptic number.

10403131 is a deficient number, since it is larger than the sum of its proper divisors (1).

10403131 is an equidigital number, since it uses as much as digits as its factorization.

10403131 is an evil number, because the sum of its binary digits is even.

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

The square root of 10403131 is about 3225.3885037310. The cubic root of 10403131 is about 218.3004792292.

Adding to 10403131 its reverse (13130401), we get a palindrome (23533532).

The spelling of 10403131 in words is "ten million, four hundred three thousand, one hundred thirty-one".