1031340432 has 40 divisors (see below), whose sum is σ = 2665530784. Its totient is φ = 343620864.

The previous prime is 1031340421. The next prime is 1031340433. The reversal of 1031340432 is 2340431301.

It is a junction number, because it is equal to n+sod(n) for n = 1031340399 and 1031340408.

It is not an unprimeable number, because it can be changed into a prime (1031340433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148428 + ... + 155220.

Almost surely, 2^1031340432 is an apocalyptic number.

1031340432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1031340432 is an abundant number, since it is smaller than the sum of its proper divisors (1634190352).

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

1031340432 is a wasteful number, since it uses less digits than its factorization.

1031340432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9967 (or 9961 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 1031340432 is about 32114.4894401266. The cubic root of 1031340432 is about 1010.3395362049.

Adding to 1031340432 its reverse (2340431301), we get a palindrome (3371771733).

The spelling of 1031340432 in words is "one billion, thirty-one million, three hundred forty thousand, four hundred thirty-two".