1340411131 has 2 divisors, whose sum is σ = 1340411132. Its totient is φ = 1340411130.

The previous prime is 1340411123. The next prime is 1340411159. The reversal of 1340411131 is 1311140431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1340411131 - 2³ = 1340411123 is a prime.

It is a super-2 number, since 2×1340411131² = 3593404000217398322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1340411099 and 1340411108.

It is not a weakly prime, because it can be changed into another prime (1340411101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 670205565 + 670205566.

It is an arithmetic number, because the mean of its divisors is an integer number (670205566).

Almost surely, 2^1340411131 is an apocalyptic number.

1340411131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1340411131 is an equidigital number, since it uses as much as digits as its factorization.

1340411131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 1340411131 is about 36611.6256262953. The cubic root of 1340411131 is about 1102.5865114488.

Adding to 1340411131 its reverse (1311140431), we get a palindrome (2651551562).

The spelling of 1340411131 in words is "one billion, three hundred forty million, four hundred eleven thousand, one hundred thirty-one".