1031234040 has 48 divisors (see below), whose sum is σ = 3351511800. Its totient is φ = 274995648.

The previous prime is 1031234023. The next prime is 1031234047. The reversal of 1031234040 is 404321301.

1031234040 is a `hidden beast` number, since 10 + 312 + 340 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031234047) 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 11 ways as a sum of consecutive naturals, for example, 1431910 + ... + 1432629.

Almost surely, 2^1031234040 is an apocalyptic number.

1031234040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1031234040 is an abundant number, since it is smaller than the sum of its proper divisors (2320277760).

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

1031234040 is a wasteful number, since it uses less digits than its factorization.

1031234040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2864556 (or 2864549 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1031234040 is about 32112.8329488384. The cubic root of 1031234040 is about 1010.3047931537.

Adding to 1031234040 its reverse (404321301), we get a palindrome (1435555341).

The spelling of 1031234040 in words is "one billion, thirty-one million, two hundred thirty-four thousand, forty".