1031342045 has 4 divisors (see below), whose sum is σ = 1237610460. Its totient is φ = 825073632.

The previous prime is 1031342023. The next prime is 1031342089. The reversal of 1031342045 is 5402431301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5402431301 = 67 ⋅80633303.

It can be written as a sum of positive squares in 2 ways, for example, as 324792484 + 706549561 = 18022^2 + 26581^2 .

It is a cyclic number.

It is not a de Polignac number, because 1031342045 - 2⁸ = 1031341789 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1031342045.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 103134200 + ... + 103134209.

It is an arithmetic number, because the mean of its divisors is an integer number (309402615).

Almost surely, 2^1031342045 is an apocalyptic number.

It is an amenable number.

1031342045 is a deficient number, since it is larger than the sum of its proper divisors (206268415).

1031342045 is an equidigital number, since it uses as much as digits as its factorization.

1031342045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206268414.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 1031342045 is about 32114.5145533916. The cubic root of 1031342045 is about 1010.3400629229.

Adding to 1031342045 its reverse (5402431301), we get a palindrome (6433773346).

The spelling of 1031342045 in words is "one billion, thirty-one million, three hundred forty-two thousand, forty-five".