1035131240 has 256 divisors, whose sum is σ = 2891185920. Its totient is φ = 328458240.

The previous prime is 1035131219. The next prime is 1035131281. The reversal of 1035131240 is 421315301.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14179844 + ... + 14179916.

It is an arithmetic number, because the mean of its divisors is an integer number (11293695).

Almost surely, 2^1035131240 is an apocalyptic number.

1035131240 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 1035131240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1445592960).

1035131240 is an abundant number, since it is smaller than the sum of its proper divisors (1856054680).

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

1035131240 is a wasteful number, since it uses less digits than its factorization.

1035131240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212 (or 208 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 1035131240 is about 32173.4555184860. The cubic root of 1035131240 is about 1011.5758949281.

Adding to 1035131240 its reverse (421315301), we get a palindrome (1456446541).

The spelling of 1035131240 in words is "one billion, thirty-five million, one hundred thirty-one thousand, two hundred forty".