1013131073 has 2 divisors, whose sum is σ = 1013131074. Its totient is φ = 1013131072.

The previous prime is 1013130971. The next prime is 1013131079. The reversal of 1013131073 is 3701313101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 659051584 + 354079489 = 25672^2 + 18817^2 .

It is a cyclic number.

It is not a de Polignac number, because 1013131073 - 2⁸ = 1013130817 is a prime.

It is not a weakly prime, because it can be changed into another prime (1013131079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506565536 + 506565537.

It is an arithmetic number, because the mean of its divisors is an integer number (506565537).

Almost surely, 2^1013131073 is an apocalyptic number.

It is an amenable number.

1013131073 is a deficient number, since it is larger than the sum of its proper divisors (1).

1013131073 is an equidigital number, since it uses as much as digits as its factorization.

1013131073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 189, while the sum is 20.

The square root of 1013131073 is about 31829.7199642096. The cubic root of 1013131073 is about 1004.3580045404.

Adding to 1013131073 its reverse (3701313101), we get a palindrome (4714444174).

The spelling of 1013131073 in words is "one billion, thirteen million, one hundred thirty-one thousand, seventy-three".