131403011 has 2 divisors, whose sum is σ = 131403012. Its totient is φ = 131403010.

The previous prime is 131403007. The next prime is 131403049. The reversal of 131403011 is 110304131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131403011 - 2² = 131403007 is a prime.

It is a super-2 number, since 2×131403011² = 34533502599732242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (131403091) 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 as a sum of consecutive naturals, namely, 65701505 + 65701506.

It is an arithmetic number, because the mean of its divisors is an integer number (65701506).

Almost surely, 2^131403011 is an apocalyptic number.

131403011 is a deficient number, since it is larger than the sum of its proper divisors (1).

131403011 is an equidigital number, since it uses as much as digits as its factorization.

131403011 is an odious number, because the sum of its binary digits is odd.

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

The square root of 131403011 is about 11463.1152397592. The cubic root of 131403011 is about 508.3955872038.

Adding to 131403011 its reverse (110304131), we get a palindrome (241707142).

The spelling of 131403011 in words is "one hundred thirty-one million, four hundred three thousand, eleven".