31320311203030 has 8 divisors (see below), whose sum is σ = 56376560165472. Its totient is φ = 12528124481208.

The previous prime is 31320311202959. The next prime is 31320311203061. The reversal of 31320311203030 is 3030211302313.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 31320311202992 and 31320311203010.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 1566015560142 + ... + 1566015560161.

It is an arithmetic number, because the mean of its divisors is an integer number (7047070020684).

Almost surely, 2^{31320311203030} is an apocalyptic number.

31320311203030 is a deficient number, since it is larger than the sum of its proper divisors (25056248962442).

31320311203030 is a wasteful number, since it uses less digits than its factorization.

31320311203030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3132031120310.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 31320311203030 its reverse (3030211302313), we get a palindrome (34350522505343).

The spelling of 31320311203030 in words is "thirty-one trillion, three hundred twenty billion, three hundred eleven million, two hundred three thousand, thirty".