1031012000 has 96 divisors (see below), whose sum is σ = 2556734544. Its totient is φ = 408576000.

The previous prime is 1031011997. The next prime is 1031012009. The reversal of 1031012000 is 2101301.

It can be written as a sum of positive squares in 8 ways, for example, as 9314704 + 1021697296 = 3052^2 + 31964^2 .

It is a Harshad number since it is a multiple of its sum of digits (8).

It is not an unprimeable number, because it can be changed into a prime (1031012009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 450860 + ... + 453140.

Almost surely, 2^1031012000 is an apocalyptic number.

1031012000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1031012000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1278367272).

1031012000 is an abundant number, since it is smaller than the sum of its proper divisors (1525722544).

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

1031012000 is a wasteful number, since it uses less digits than its factorization.

1031012000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2419 (or 2401 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 8.

The square root of 1031012000 is about 32109.3755778589. The cubic root of 1031012000 is about 1010.2322767413.

Adding to 1031012000 its reverse (2101301), we get a palindrome (1033113301).

The spelling of 1031012000 in words is "one billion, thirty-one million, twelve thousand".