321312310113140 has 24 divisors (see below), whose sum is σ = 674756262110952. Its totient is φ = 128524845783680.

The previous prime is 321312310113103. The next prime is 321312310113211. The reversal of 321312310113140 is 41311013213123.

It can be written as a sum of positive squares in 4 ways, for example, as 78972477129316 + 242339832983824 = 8886646^2 + 15567268^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37909310 + ... + 45604170.

It is an arithmetic number, because the mean of its divisors is an integer number (28114844254623).

Almost surely, 2^{321312310113140} is an apocalyptic number.

It is an amenable number.

321312310113140 is an abundant number, since it is smaller than the sum of its proper divisors (353443951997812).

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

321312310113140 is a wasteful number, since it uses less digits than its factorization.

321312310113140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9782707 (or 9782705 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

Adding to 321312310113140 its reverse (41311013213123), we get a palindrome (362623323326263).

The spelling of 321312310113140 in words is "three hundred twenty-one trillion, three hundred twelve billion, three hundred ten million, one hundred thirteen thousand, one hundred forty".