1331253332402 has 8 divisors (see below), whose sum is σ = 2282148569856. Its totient is φ = 570537142452.

The previous prime is 1331253332399. The next prime is 1331253332443. The reversal of 1331253332402 is 2042333521331.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47544761858 + ... + 47544761885.

It is an arithmetic number, because the mean of its divisors is an integer number (285268571232).

Almost surely, 2^{1331253332402} is an apocalyptic number.

1331253332402 is a deficient number, since it is larger than the sum of its proper divisors (950895237454).

1331253332402 is an equidigital number, since it uses as much as digits as its factorization.

1331253332402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95089523752.

The product of its (nonzero) digits is 38880, while the sum is 32.

Adding to 1331253332402 its reverse (2042333521331), we get a palindrome (3373586853733).

The spelling of 1331253332402 in words is "one trillion, three hundred thirty-one billion, two hundred fifty-three million, three hundred thirty-two thousand, four hundred two".