31103211331201 has 8 divisors (see below), whose sum is σ = 31541626516608. Its totient is φ = 30664805640000.

The previous prime is 31103211331193. The next prime is 31103211331207. The reversal of 31103211331201 is 10213311230113.

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 31103211331201 - 2³ = 31103211331193 is a prime.

It is a super-2 number, since 2×31103211331201² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31103211331207) 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, 4358281 + ... + 9011161.

It is an arithmetic number, because the mean of its divisors is an integer number (3942703314576).

Almost surely, 2^{31103211331201} is an apocalyptic number.

It is an amenable number.

31103211331201 is a deficient number, since it is larger than the sum of its proper divisors (438415185407).

31103211331201 is an equidigital number, since it uses as much as digits as its factorization.

31103211331201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4747103.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 31103211331201 its reverse (10213311230113), we get a palindrome (41316522561314).

The spelling of 31103211331201 in words is "thirty-one trillion, one hundred three billion, two hundred eleven million, three hundred thirty-one thousand, two hundred one".