321023131213242 has 16 divisors (see below), whose sum is σ = 669961317314880. Its totient is φ = 102355201256352.

The previous prime is 321023131213193. The next prime is 321023131213249. The reversal of 321023131213242 is 242312131320123.

It is not an unprimeable number, because it can be changed into a prime (321023131213249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1163127286867 + ... + 1163127287142.

It is an arithmetic number, because the mean of its divisors is an integer number (41872582332180).

Almost surely, 2^{321023131213242} is an apocalyptic number.

321023131213242 is an abundant number, since it is smaller than the sum of its proper divisors (348938186101638).

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

321023131213242 is a wasteful number, since it uses less digits than its factorization.

321023131213242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2326254574037.

The product of its (nonzero) digits is 10368, while the sum is 30.

Adding to 321023131213242 its reverse (242312131320123), we get a palindrome (563335262533365).

The spelling of 321023131213242 in words is "three hundred twenty-one trillion, twenty-three billion, one hundred thirty-one million, two hundred thirteen thousand, two hundred forty-two".