31103012131122 has 16 divisors (see below), whose sum is σ = 62993442291840. Its totient is φ = 10236434372112.

The previous prime is 31103012131109. The next prime is 31103012131133. The reversal of 31103012131122 is 22113121030113.

It is a super-2 number, since 2×31103012131122² (a number of 28 digits) contains 22 as substring.

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, 32809084053 + ... + 32809085000.

It is an arithmetic number, because the mean of its divisors is an integer number (3937090143240).

Almost surely, 2^{31103012131122} is an apocalyptic number.

31103012131122 is an abundant number, since it is smaller than the sum of its proper divisors (31890430160718).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31103012131122 is a wasteful number, since it uses less digits than its factorization.

31103012131122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65618169137.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 31103012131122 its reverse (22113121030113), we get a palindrome (53216133161235).

The spelling of 31103012131122 in words is "thirty-one trillion, one hundred three billion, twelve million, one hundred thirty-one thousand, one hundred twenty-two".