1031142040 has 16 divisors (see below), whose sum is σ = 2320069680. Its totient is φ = 412456800.

The previous prime is 1031142037. The next prime is 1031142041. The reversal of 1031142040 is 402411301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031142041) 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 3 ways as a sum of consecutive naturals, for example, 12889236 + ... + 12889315.

It is an arithmetic number, because the mean of its divisors is an integer number (145004355).

Almost surely, 2^1031142040 is an apocalyptic number.

1031142040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1031142040 is an abundant number, since it is smaller than the sum of its proper divisors (1288927640).

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

1031142040 is a wasteful number, since it uses less digits than its factorization.

1031142040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25778562 (or 25778558 counting only the distinct ones).

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

The square root of 1031142040 is about 32111.4004677467. The cubic root of 1031142040 is about 1010.2747479840.

Adding to 1031142040 its reverse (402411301), we get a palindrome (1433553341).

The spelling of 1031142040 in words is "one billion, thirty-one million, one hundred forty-two thousand, forty".