31020011120112 has 160 divisors (see below), whose sum is σ = 92998516285440. Its totient is φ = 8726202213120.

The previous prime is 31020011120101. The next prime is 31020011120233. The reversal of 31020011120112 is 21102111002013.

It is a junction number, because it is equal to n+sod(n) for n = 31020011120091 and 31020011120100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16749813 + ... + 18509355.

It is an arithmetic number, because the mean of its divisors is an integer number (581240726784).

Almost surely, 2^{31020011120112} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31020011120112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46499258142720).

31020011120112 is an abundant number, since it is smaller than the sum of its proper divisors (61978505165328).

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

31020011120112 is a wasteful number, since it uses less digits than its factorization.

31020011120112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1760371 (or 1760365 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 31020011120112 its reverse (21102111002013), we get a palindrome (52122122122125).

The spelling of 31020011120112 in words is "thirty-one trillion, twenty billion, eleven million, one hundred twenty thousand, one hundred twelve".