1031112030 has 64 divisors (see below), whose sum is σ = 2691517248. Its totient is φ = 251289600.

The previous prime is 1031111981. The next prime is 1031112031. The reversal of 1031112030 is 302111301.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1031111997 and 1031112015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031112031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26302 + ... + 52478.

It is an arithmetic number, because the mean of its divisors is an integer number (42054957).

Almost surely, 2^1031112030 is an apocalyptic number.

1031112030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1031112030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1345758624).

1031112030 is an abundant number, since it is smaller than the sum of its proper divisors (1660405218).

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

1031112030 is a wasteful number, since it uses less digits than its factorization.

1031112030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26301.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 1031112030 is about 32110.9331848204. The cubic root of 1031112030 is about 1010.2649469937.

Adding to 1031112030 its reverse (302111301), we get a palindrome (1333223331).

The spelling of 1031112030 in words is "one billion, thirty-one million, one hundred twelve thousand, thirty".