131403299 has 2 divisors, whose sum is σ = 131403300. Its totient is φ = 131403298.

The previous prime is 131403287. The next prime is 131403331. The reversal of 131403299 is 992304131.

It is an a-pointer prime, because the next prime (131403331) can be obtained adding 131403299 to its sum of digits (32).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131403299 - 2²⁰ = 130354723 is a prime.

It is not a weakly prime, because it can be changed into another prime (131403799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65701649 + 65701650.

It is an arithmetic number, because the mean of its divisors is an integer number (65701650).

Almost surely, 2^131403299 is an apocalyptic number.

131403299 is a deficient number, since it is larger than the sum of its proper divisors (1).

131403299 is an equidigital number, since it uses as much as digits as its factorization.

131403299 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 131403299 is about 11463.1278017825. The cubic root of 131403299 is about 508.3959586256.

It can be divided in two parts, 1314032 and 99, that added together give a palindrome (1314131).

The spelling of 131403299 in words is "one hundred thirty-one million, four hundred three thousand, two hundred ninety-nine".