240012131 has 2 divisors, whose sum is σ = 240012132. Its totient is φ = 240012130.

The previous prime is 240012089. The next prime is 240012133. The reversal of 240012131 is 131210042.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 240012131 - 2⁶ = 240012067 is a prime.

It is a super-2 number, since 2×240012131² = 115211646054322322, which contains 22 as substring.

Together with 240012133, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (240012133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120006065 + 120006066.

It is an arithmetic number, because the mean of its divisors is an integer number (120006066).

Almost surely, 2^240012131 is an apocalyptic number.

240012131 is a deficient number, since it is larger than the sum of its proper divisors (1).

240012131 is an equidigital number, since it uses as much as digits as its factorization.

240012131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 240012131 is about 15492.3249062237. The cubic root of 240012131 is about 621.4569715248.

Adding to 240012131 its reverse (131210042), we get a palindrome (371222173).

The spelling of 240012131 in words is "two hundred forty million, twelve thousand, one hundred thirty-one".