1010431240 has 128 divisors (see below), whose sum is σ = 2830464000. Its totient is φ = 316090368.

The previous prime is 1010431237. The next prime is 1010431241. The reversal of 1010431240 is 421340101.

1010431240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (1010431241) 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, 322401 + ... + 325519.

It is an arithmetic number, because the mean of its divisors is an integer number (22113000).

Almost surely, 2^1010431240 is an apocalyptic number.

1010431240 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 1010431240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1415232000).

1010431240 is an abundant number, since it is smaller than the sum of its proper divisors (1820032760).

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

1010431240 is a wasteful number, since it uses less digits than its factorization.

1010431240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3239 (or 3235 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1010431240 is about 31787.2811042404. The cubic root of 1010431240 is about 1003.4650594948.

Adding to 1010431240 its reverse (421340101), we get a palindrome (1431771341).

The spelling of 1010431240 in words is "one billion, ten million, four hundred thirty-one thousand, two hundred forty".