1970071313 has 6 divisors (see below), whose sum is σ = 2291715666. Its totient is φ = 1688632512.

The previous prime is 1970071291. The next prime is 1970071319. The reversal of 1970071313 is 3131700791.

It can be written as a sum of positive squares in only one way, i.e., 1766352784 + 203718529 = 42028^2 + 14273^2 .

It is not a de Polignac number, because 1970071313 - 2⁸ = 1970071057 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1970071313.

It is not an unprimeable number, because it can be changed into a prime (1970071319) 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 in 5 ways as a sum of consecutive naturals, for example, 20102720 + ... + 20102817.

It is an arithmetic number, because the mean of its divisors is an integer number (381952611).

Almost surely, 2^1970071313 is an apocalyptic number.

It is an amenable number.

1970071313 is a deficient number, since it is larger than the sum of its proper divisors (321644353).

1970071313 is an equidigital number, since it uses as much as digits as its factorization.

1970071313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40205551 (or 40205544 counting only the distinct ones).

The product of its (nonzero) digits is 3969, while the sum is 32.

The square root of 1970071313 is about 44385.4853865540. The cubic root of 1970071313 is about 1253.6048077357.

The spelling of 1970071313 in words is "one billion, nine hundred seventy million, seventy-one thousand, three hundred thirteen".