321736013315340 has 48 divisors (see below), whose sum is σ = 970157824768608. Its totient is φ = 79196557123584.

The previous prime is 321736013315329. The next prime is 321736013315369. The reversal of 321736013315340 is 43513310637123.

It is a junction number, because it is equal to n+sod(n) for n = 321736013315292 and 321736013315301.

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, 206241033397 + ... + 206241034956.

It is an arithmetic number, because the mean of its divisors is an integer number (20211621349346).

Almost surely, 2^{321736013315340} is an apocalyptic number.

321736013315340 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

321736013315340 is an abundant number, since it is smaller than the sum of its proper divisors (648421811453268).

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

321736013315340 is a wasteful number, since it uses less digits than its factorization.

321736013315340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412482068378 (or 412482068376 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 42.

The spelling of 321736013315340 in words is "three hundred twenty-one trillion, seven hundred thirty-six billion, thirteen million, three hundred fifteen thousand, three hundred forty".