31122111320102 has 16 divisors (see below), whose sum is σ = 52569900647424. Its totient is φ = 13690078293000.

The previous prime is 31122111320077. The next prime is 31122111320117. The reversal of 31122111320102 is 20102311122113.

It is a super-3 number, since 3×31122111320102³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22816796474 + ... + 22816797837.

It is an arithmetic number, because the mean of its divisors is an integer number (3285618790464).

Almost surely, 2^{31122111320102} is an apocalyptic number.

31122111320102 is a deficient number, since it is larger than the sum of its proper divisors (21447789327322).

31122111320102 is a wasteful number, since it uses less digits than its factorization.

31122111320102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45633594355.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 31122111320102 its reverse (20102311122113), we get a palindrome (51224422442215).

The spelling of 31122111320102 in words is "thirty-one trillion, one hundred twenty-two billion, one hundred eleven million, three hundred twenty thousand, one hundred two".