1321343031476 has 48 divisors (see below), whose sum is σ = 2516939334336. Its totient is φ = 603313173504.

The previous prime is 1321343031457. The next prime is 1321343031523. The reversal of 1321343031476 is 6741303431231.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12390455 + ... + 12496641.

It is an arithmetic number, because the mean of its divisors is an integer number (52436236132).

Almost surely, 2^{1321343031476} is an apocalyptic number.

It is an amenable number.

1321343031476 is a deficient number, since it is larger than the sum of its proper divisors (1195596302860).

1321343031476 is a wasteful number, since it uses less digits than its factorization.

1321343031476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108768 (or 108766 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 38.

The spelling of 1321343031476 in words is "one trillion, three hundred twenty-one billion, three hundred forty-three million, thirty-one thousand, four hundred seventy-six".