7340531131 has 2 divisors, whose sum is σ = 7340531132. Its totient is φ = 7340531130.

The previous prime is 7340531123. The next prime is 7340531147. The reversal of 7340531131 is 1311350437.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7340531131 - 2³ = 7340531123 is a prime.

It is a super-2 number, since 2×7340531131² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7340531131.

It is not a weakly prime, because it can be changed into another prime (7340531101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3670265565 + 3670265566.

It is an arithmetic number, because the mean of its divisors is an integer number (3670265566).

Almost surely, 2^7340531131 is an apocalyptic number.

7340531131 is a deficient number, since it is larger than the sum of its proper divisors (1).

7340531131 is an equidigital number, since it uses as much as digits as its factorization.

7340531131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 7340531131 is about 85676.8996346156. The cubic root of 7340531131 is about 1943.4609925647.

Adding to 7340531131 its reverse (1311350437), we get a palindrome (8651881568).

The spelling of 7340531131 in words is "seven billion, three hundred forty million, five hundred thirty-one thousand, one hundred thirty-one".