1342451233531 has 32 divisors (see below), whose sum is σ = 1433095577600. Its totient is φ = 1255664592000.

The previous prime is 1342451233517. The next prime is 1342451233559. The reversal of 1342451233531 is 1353321542431.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1342451233531 - 2⁵ = 1342451233499 is a prime.

It is a super-2 number, since 2×1342451233531² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1342451233631) 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 in 31 ways as a sum of consecutive naturals, for example, 31499785 + ... + 31542373.

It is an arithmetic number, because the mean of its divisors is an integer number (44784236800).

Almost surely, 2^{1342451233531} is an apocalyptic number.

1342451233531 is a deficient number, since it is larger than the sum of its proper divisors (90644344069).

1342451233531 is a wasteful number, since it uses less digits than its factorization.

1342451233531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42971.

The product of its digits is 129600, while the sum is 37.

Adding to 1342451233531 its reverse (1353321542431), we get a palindrome (2695772775962).

The spelling of 1342451233531 in words is "one trillion, three hundred forty-two billion, four hundred fifty-one million, two hundred thirty-three thousand, five hundred thirty-one".