31300122011112 has 24 divisors (see below), whose sum is σ = 84771163780290. Its totient is φ = 10433374003680.

The previous prime is 31300122011089. The next prime is 31300122011143. The reversal of 31300122011112 is 21111022100313.

31300122011112 is a `hidden beast` number, since 31 + 300 + 1 + 220 + 1 + 1 + 112 = 666.

It can be written as a sum of positive squares in only one way, i.e., 22756391773956 + 8543730237156 = 4770366^2 + 2922966^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×31300122011112² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 217361958339 + ... + 217361958482.

Almost surely, 2^{31300122011112} is an apocalyptic number.

It is an amenable number.

31300122011112 is an abundant number, since it is smaller than the sum of its proper divisors (53471041769178).

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

31300122011112 is a wasteful number, since it uses less digits than its factorization.

31300122011112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434723916833 (or 434723916826 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 31300122011112 its reverse (21111022100313), we get a palindrome (52411144111425).

The spelling of 31300122011112 in words is "thirty-one trillion, three hundred billion, one hundred twenty-two million, eleven thousand, one hundred twelve".