31201321021314 has 64 divisors (see below), whose sum is σ = 66181625167872. Its totient is φ = 9789211454400.

The previous prime is 31201321021249. The next prime is 31201321021369. The reversal of 31201321021314 is 41312012310213.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17360259 + ... + 19073049.

It is an arithmetic number, because the mean of its divisors is an integer number (1034087893248).

Almost surely, 2^{31201321021314} is an apocalyptic number.

31201321021314 is an abundant number, since it is smaller than the sum of its proper divisors (34980304146558).

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

31201321021314 is a wasteful number, since it uses less digits than its factorization.

31201321021314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1715511.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 31201321021314 its reverse (41312012310213), we get a palindrome (72513333331527).

The spelling of 31201321021314 in words is "thirty-one trillion, two hundred one billion, three hundred twenty-one million, twenty-one thousand, three hundred fourteen".