31123023321001 has 8 divisors (see below), whose sum is σ = 31581702283520. Its totient is φ = 30665962274688.

The previous prime is 31123023320969. The next prime is 31123023321029. The reversal of 31123023321001 is 10012332032113.

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 31123023321001 - 2⁵ = 31123023320969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31123023321101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 404440296 + ... + 404517241.

It is an arithmetic number, because the mean of its divisors is an integer number (3947712785440).

Almost surely, 2^{31123023321001} is an apocalyptic number.

It is an amenable number.

31123023321001 is a deficient number, since it is larger than the sum of its proper divisors (458678962519).

31123023321001 is an equidigital number, since it uses as much as digits as its factorization.

31123023321001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 808958103.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 31123023321001 its reverse (10012332032113), we get a palindrome (41135355353114).

The spelling of 31123023321001 in words is "thirty-one trillion, one hundred twenty-three billion, twenty-three million, three hundred twenty-one thousand, one".