131148331 has 2 divisors, whose sum is σ = 131148332. Its totient is φ = 131148330.

The previous prime is 131148293. The next prime is 131148343. The reversal of 131148331 is 133841131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131148331 - 2¹⁵ = 131115563 is a prime.

It is a super-2 number, since 2×131148331² = 34399769448171122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131148296 and 131148305.

It is not a weakly prime, because it can be changed into another prime (131148361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65574165 + 65574166.

It is an arithmetic number, because the mean of its divisors is an integer number (65574166).

Almost surely, 2^131148331 is an apocalyptic number.

131148331 is a deficient number, since it is larger than the sum of its proper divisors (1).

131148331 is an equidigital number, since it uses as much as digits as its factorization.

131148331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864, while the sum is 25.

The square root of 131148331 is about 11452.0011788333. The cubic root of 131148331 is about 508.0669241919.

Adding to 131148331 its reverse (133841131), we get a palindrome (264989462).

The spelling of 131148331 in words is "one hundred thirty-one million, one hundred forty-eight thousand, three hundred thirty-one".