340322655131 has 2 divisors, whose sum is σ = 340322655132. Its totient is φ = 340322655130.

The previous prime is 340322655119. The next prime is 340322655137. The reversal of 340322655131 is 131556223043.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 340322655131 - 2¹⁸ = 340322392987 is a prime.

It is a super-2 number, since 2×340322655131² (a number of 24 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 340322655091 and 340322655100.

It is not a weakly prime, because it can be changed into another prime (340322655137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170161327565 + 170161327566.

It is an arithmetic number, because the mean of its divisors is an integer number (170161327566).

Almost surely, 2^340322655131 is an apocalyptic number.

340322655131 is a deficient number, since it is larger than the sum of its proper divisors (1).

340322655131 is an equidigital number, since it uses as much as digits as its factorization.

340322655131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64800, while the sum is 35.

Adding to 340322655131 its reverse (131556223043), we get a palindrome (471878878174).

The spelling of 340322655131 in words is "three hundred forty billion, three hundred twenty-two million, six hundred fifty-five thousand, one hundred thirty-one".