31103311000213 has 8 divisors (see below), whose sum is σ = 31127477472000. Its totient is φ = 31079146597680.

The previous prime is 31103311000207. The next prime is 31103311000217. The reversal of 31103311000213 is 31200011330113.

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 31103311000213 - 2¹³ = 31103310992021 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 (31103311000217) 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, 30267163 + ... + 31277911.

It is an arithmetic number, because the mean of its divisors is an integer number (3890934684000).

Almost surely, 2^{31103311000213} is an apocalyptic number.

It is an amenable number.

31103311000213 is a deficient number, since it is larger than the sum of its proper divisors (24166471787).

31103311000213 is a wasteful number, since it uses less digits than its factorization.

31103311000213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1034627.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 31103311000213 its reverse (31200011330113), we get a palindrome (62303322330326).

The spelling of 31103311000213 in words is "thirty-one trillion, one hundred three billion, three hundred eleven million, two hundred thirteen", and thus it is an aban number.