1403325231 has 32 divisors (see below), whose sum is σ = 2470030848. Its totient is φ = 686115840.

The previous prime is 1403325221. The next prime is 1403325241. The reversal of 1403325231 is 1325233041.

1403325231 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1403325221) and next prime (1403325241).

It is not a de Polignac number, because 1403325231 - 2⁷ = 1403325103 is a prime.

It is a super-2 number, since 2×1403325231² = 3938643407922406722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1403325221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 174750 + ... + 182603.

It is an arithmetic number, because the mean of its divisors is an integer number (77188464).

Almost surely, 2^1403325231 is an apocalyptic number.

1403325231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1403325231 is a deficient number, since it is larger than the sum of its proper divisors (1066705617).

1403325231 is a wasteful number, since it uses less digits than its factorization.

1403325231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357391.

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

The square root of 1403325231 is about 37460.9827820894. The cubic root of 1403325231 is about 1119.5739320587.

Adding to 1403325231 its reverse (1325233041), we get a palindrome (2728558272).

The spelling of 1403325231 in words is "one billion, four hundred three million, three hundred twenty-five thousand, two hundred thirty-one".