31102311223113 has 16 divisors (see below), whose sum is σ = 44659917422400. Its totient is φ = 19139803049664.

The previous prime is 31102311223111. The next prime is 31102311223121. The reversal of 31102311223113 is 31132211320113.

It is not a de Polignac number, because 31102311223113 - 2¹ = 31102311223111 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31102311223111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8448163 + ... + 11557511.

It is an arithmetic number, because the mean of its divisors is an integer number (2791244838900).

Almost surely, 2^{31102311223113} is an apocalyptic number.

It is an amenable number.

31102311223113 is a deficient number, since it is larger than the sum of its proper divisors (13557606199287).

31102311223113 is a wasteful number, since it uses less digits than its factorization.

31102311223113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3365848.

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 31102311223113 its reverse (31132211320113), we get a palindrome (62234522543226).

The spelling of 31102311223113 in words is "thirty-one trillion, one hundred two billion, three hundred eleven million, two hundred twenty-three thousand, one hundred thirteen".