61002070313 has 2 divisors, whose sum is σ = 61002070314. Its totient is φ = 61002070312.

The previous prime is 61002070273. The next prime is 61002070373. The reversal of 61002070313 is 31307020016.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46110261289 + 14891809024 = 214733^2 + 122032^2 .

It is a cyclic number.

It is not a de Polignac number, because 61002070313 - 2¹² = 61002066217 is a prime.

It is not a weakly prime, because it can be changed into another prime (61002070373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30501035156 + 30501035157.

It is an arithmetic number, because the mean of its divisors is an integer number (30501035157).

Almost surely, 2^61002070313 is an apocalyptic number.

It is an amenable number.

61002070313 is a deficient number, since it is larger than the sum of its proper divisors (1).

61002070313 is an equidigital number, since it uses as much as digits as its factorization.

61002070313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 23.

Adding to 61002070313 its reverse (31307020016), we get a palindrome (92309090329).

The spelling of 61002070313 in words is "sixty-one billion, two million, seventy thousand, three hundred thirteen".