1321341031242 has 24 divisors (see below), whose sum is σ = 2987379723744. Its totient is φ = 421297140264.

The previous prime is 1321341031211. The next prime is 1321341031279. The reversal of 1321341031242 is 2421301431231.

1321341031242 is a `hidden beast` number, since 1 + 3 + 2 + 1 + 3 + 410 + 3 + 1 + 242 = 666.

It is a super-3 number, since 3×1321341031242³ (a number of 37 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1595822088 + ... + 1595822915.

It is an arithmetic number, because the mean of its divisors is an integer number (124474155156).

Almost surely, 2^{1321341031242} is an apocalyptic number.

1321341031242 is an abundant number, since it is smaller than the sum of its proper divisors (1666038692502).

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

1321341031242 is a wasteful number, since it uses less digits than its factorization.

1321341031242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3191645034 (or 3191645031 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 1321341031242 its reverse (2421301431231), we get a palindrome (3742642462473).

The spelling of 1321341031242 in words is "one trillion, three hundred twenty-one billion, three hundred forty-one million, thirty-one thousand, two hundred forty-two".