1003432431 has 16 divisors (see below), whose sum is σ = 1402361856. Its totient is φ = 636990816.

The previous prime is 1003432403. The next prime is 1003432439. The reversal of 1003432431 is 1342343001.

It is not a de Polignac number, because 1003432431 - 2⁵ = 1003432399 is a prime.

It is a super-2 number, since 2×1003432431² = 2013753287165139522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1003432398 and 1003432407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1003432439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17220 + ... + 47993.

It is an arithmetic number, because the mean of its divisors is an integer number (87647616).

Almost surely, 2^1003432431 is an apocalyptic number.

1003432431 is a deficient number, since it is larger than the sum of its proper divisors (398929425).

1003432431 is a wasteful number, since it uses less digits than its factorization.

1003432431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65462.

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

The square root of 1003432431 is about 31677.0016100009. The cubic root of 1003432431 is about 1001.1428370925.

Adding to 1003432431 its reverse (1342343001), we get a palindrome (2345775432).

The spelling of 1003432431 in words is "one billion, three million, four hundred thirty-two thousand, four hundred thirty-one".