1342631331636 has 24 divisors (see below), whose sum is σ = 3580350217920. Its totient is φ = 383608951872.

The previous prime is 1342631331617. The next prime is 1342631331649. The reversal of 1342631331636 is 6361331362431.

It is a happy number.

It is a super-2 number, since 2×1342631331636² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7991853081 + ... + 7991853248.

It is an arithmetic number, because the mean of its divisors is an integer number (149181259080).

Almost surely, 2^{1342631331636} is an apocalyptic number.

It is an amenable number.

1342631331636 is an abundant number, since it is smaller than the sum of its proper divisors (2237718886284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1342631331636 is a wasteful number, since it uses less digits than its factorization.

1342631331636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15983706343 (or 15983706341 counting only the distinct ones).

The product of its digits is 419904, while the sum is 42.

The spelling of 1342631331636 in words is "one trillion, three hundred forty-two billion, six hundred thirty-one million, three hundred thirty-one thousand, six hundred thirty-six".