1025431323 has 16 divisors (see below), whose sum is σ = 1565012736. Its totient is φ = 585041760.

The previous prime is 1025431307. The next prime is 1025431403. The reversal of 1025431323 is 3231345201.

It is not a de Polignac number, because 1025431323 - 2⁴ = 1025431307 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1025431293 and 1025431302.

It is not an unprimeable number, because it can be changed into a prime (1025431223) 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 15 ways as a sum of consecutive naturals, for example, 24468 + ... + 51473.

It is an arithmetic number, because the mean of its divisors is an integer number (97813296).

Almost surely, 2^1025431323 is an apocalyptic number.

1025431323 is a deficient number, since it is larger than the sum of its proper divisors (539581413).

1025431323 is an equidigital number, since it uses as much as digits as its factorization.

1025431323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76594.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 1025431323 is about 32022.3566122170. The cubic root of 1025431323 is about 1008.4062447076.

Adding to 1025431323 its reverse (3231345201), we get a palindrome (4256776524).

The spelling of 1025431323 in words is "one billion, twenty-five million, four hundred thirty-one thousand, three hundred twenty-three".