31120003322321 has 8 divisors (see below), whose sum is σ = 31126033850184. Its totient is φ = 31113973186560.

The previous prime is 31120003322269. The next prime is 31120003322333. The reversal of 31120003322321 is 12322330002113.

It can be written as a sum of positive squares in 4 ways, for example, as 28659309126721 + 2460694195600 = 5353439^2 + 1568660^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 31120003322321 - 2¹⁸ = 31120003060177 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (31120003322341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195082625 + ... + 195242081.

It is an arithmetic number, because the mean of its divisors is an integer number (3890754231273).

Almost surely, 2^{31120003322321} is an apocalyptic number.

It is an amenable number.

31120003322321 is a deficient number, since it is larger than the sum of its proper divisors (6030527863).

31120003322321 is a wasteful number, since it uses less digits than its factorization.

31120003322321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196051.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 31120003322321 its reverse (12322330002113), we get a palindrome (43442333324434).

The spelling of 31120003322321 in words is "thirty-one trillion, one hundred twenty billion, three million, three hundred twenty-two thousand, three hundred twenty-one".