131113651 has 2 divisors, whose sum is σ = 131113652. Its totient is φ = 131113650.

The previous prime is 131113637. The next prime is 131113667. The reversal of 131113651 is 156311131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131113651 - 2⁹ = 131113139 is a prime.

It is not a weakly prime, because it can be changed into another prime (131113951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65556825 + 65556826.

It is an arithmetic number, because the mean of its divisors is an integer number (65556826).

Almost surely, 2^131113651 is an apocalyptic number.

131113651 is a deficient number, since it is larger than the sum of its proper divisors (1).

131113651 is an equidigital number, since it uses as much as digits as its factorization.

131113651 is an evil number, because the sum of its binary digits is even.

The product of its digits is 270, while the sum is 22.

The square root of 131113651 is about 11450.4869328776. The cubic root of 131113651 is about 508.0221369546.

Adding to 131113651 its reverse (156311131), we get a palindrome (287424782).

The spelling of 131113651 in words is "one hundred thirty-one million, one hundred thirteen thousand, six hundred fifty-one".