1045197031 has 2 divisors, whose sum is σ = 1045197032. Its totient is φ = 1045197030.

The previous prime is 1045197029. The next prime is 1045197037. The reversal of 1045197031 is 1307915401.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1045197031 - 2¹ = 1045197029 is a prime.

It is a super-2 number, since 2×1045197031² = 2184873667222429922, which contains 22 as substring.

Together with 1045197029, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1045196984 and 1045197002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1045197037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 522598515 + 522598516.

It is an arithmetic number, because the mean of its divisors is an integer number (522598516).

Almost surely, 2^1045197031 is an apocalyptic number.

1045197031 is a deficient number, since it is larger than the sum of its proper divisors (1).

1045197031 is an equidigital number, since it uses as much as digits as its factorization.

1045197031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3780, while the sum is 31.

The square root of 1045197031 is about 32329.5071258440. The cubic root of 1045197031 is about 1014.8442353609.

The spelling of 1045197031 in words is "one billion, forty-five million, one hundred ninety-seven thousand, thirty-one".