1342312651531 has 2 divisors, whose sum is σ = 1342312651532. Its totient is φ = 1342312651530.

The previous prime is 1342312651517. The next prime is 1342312651591. The reversal of 1342312651531 is 1351562132431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1342312651531 - 2⁵ = 1342312651499 is a prime.

It is a super-2 number, since 2×1342312651531² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1342312651591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 671156325765 + 671156325766.

It is an arithmetic number, because the mean of its divisors is an integer number (671156325766).

Almost surely, 2^{1342312651531} is an apocalyptic number.

1342312651531 is a deficient number, since it is larger than the sum of its proper divisors (1).

1342312651531 is an equidigital number, since it uses as much as digits as its factorization.

1342312651531 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64800, while the sum is 37.

Adding to 1342312651531 its reverse (1351562132431), we get a palindrome (2693874783962).

The spelling of 1342312651531 in words is "one trillion, three hundred forty-two billion, three hundred twelve million, six hundred fifty-one thousand, five hundred thirty-one".