31073321331332 has 24 divisors (see below), whose sum is σ = 62157636547776. Its totient is φ = 13314781880928.

The previous prime is 31073321331329. The next prime is 31073321331341. The reversal of 31073321331332 is 23313312337013.

It is a junction number, because it is equal to n+sod(n) for n = 31073321331292 and 31073321331301.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97998578 + ... + 98315145.

It is an arithmetic number, because the mean of its divisors is an integer number (2589901522824).

Almost surely, 2^{31073321331332} is an apocalyptic number.

It is an amenable number.

31073321331332 is an abundant number, since it is smaller than the sum of its proper divisors (31084315216444).

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

31073321331332 is a wasteful number, since it uses less digits than its factorization.

31073321331332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196319387 (or 196319385 counting only the distinct ones).

The product of its (nonzero) digits is 61236, while the sum is 35.

Adding to 31073321331332 its reverse (23313312337013), we get a palindrome (54386633668345).

The spelling of 31073321331332 in words is "thirty-one trillion, seventy-three billion, three hundred twenty-one million, three hundred thirty-one thousand, three hundred thirty-two".