131535331 has 2 divisors, whose sum is σ = 131535332. Its totient is φ = 131535330.

The previous prime is 131535319. The next prime is 131535343. The reversal of 131535331 is 133535131.

It is a balanced prime because it is at equal distance from previous prime (131535319) and next prime (131535343).

It is a cyclic number.

It is not a de Polignac number, because 131535331 - 2⁷ = 131535203 is a prime.

It is a super-2 number, since 2×131535331² = 34603086602559122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131535296 and 131535305.

It is not a weakly prime, because it can be changed into another prime (131535301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65767665 + 65767666.

It is an arithmetic number, because the mean of its divisors is an integer number (65767666).

Almost surely, 2^131535331 is an apocalyptic number.

131535331 is a deficient number, since it is larger than the sum of its proper divisors (1).

131535331 is an equidigital number, since it uses as much as digits as its factorization.

131535331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2025, while the sum is 25.

The square root of 131535331 is about 11468.8853425257. The cubic root of 131535331 is about 508.5661777560.

The spelling of 131535331 in words is "one hundred thirty-one million, five hundred thirty-five thousand, three hundred thirty-one".