31023320312101 has 8 divisors (see below), whose sum is σ = 33602849393400. Its totient is φ = 28471379777472.

The previous prime is 31023320312063. The next prime is 31023320312107. The reversal of 31023320312101 is 10121302332013.

It can be written as a sum of positive squares in 4 ways, for example, as 1514240997025 + 29509079315076 = 1230545^2 + 5432226^2 .

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 31023320312101 - 2⁹ = 31023320311589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31023320312107) 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, 6897134326 + ... + 6897138823.

It is an arithmetic number, because the mean of its divisors is an integer number (4200356174175).

Almost surely, 2^{31023320312101} is an apocalyptic number.

It is an amenable number.

31023320312101 is a deficient number, since it is larger than the sum of its proper divisors (2579529081299).

31023320312101 is a wasteful number, since it uses less digits than its factorization.

31023320312101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13794273335.

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

Adding to 31023320312101 its reverse (10121302332013), we get a palindrome (41144622644114).

The spelling of 31023320312101 in words is "thirty-one trillion, twenty-three billion, three hundred twenty million, three hundred twelve thousand, one hundred one".