1031412403 has 4 divisors (see below), whose sum is σ = 1178757040. Its totient is φ = 884067768.

The previous prime is 1031412379. The next prime is 1031412413. The reversal of 1031412403 is 3042141301.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1031412403 - 2⁹ = 1031411891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1031412413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73672308 + ... + 73672321.

It is an arithmetic number, because the mean of its divisors is an integer number (294689260).

Almost surely, 2^1031412403 is an apocalyptic number.

1031412403 is a deficient number, since it is larger than the sum of its proper divisors (147344637).

1031412403 is an equidigital number, since it uses as much as digits as its factorization.

1031412403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147344636.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1031412403 is about 32115.6099583987. The cubic root of 1031412403 is about 1010.3630374831.

Adding to 1031412403 its reverse (3042141301), we get a palindrome (4073553704).

The spelling of 1031412403 in words is "one billion, thirty-one million, four hundred twelve thousand, four hundred three".