70075736131 has 2 divisors, whose sum is σ = 70075736132. Its totient is φ = 70075736130.

The previous prime is 70075736113. The next prime is 70075736147. The reversal of 70075736131 is 13163757007.

Together with previous prime (70075736113) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is an emirp because it is prime and its reverse (13163757007) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70075736131 - 2¹⁵ = 70075703363 is a prime.

It is a super-2 number, since 2×70075736131² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (70075736191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35037868065 + 35037868066.

It is an arithmetic number, because the mean of its divisors is an integer number (35037868066).

Almost surely, 2^70075736131 is an apocalyptic number.

70075736131 is a deficient number, since it is larger than the sum of its proper divisors (1).

70075736131 is an equidigital number, since it uses as much as digits as its factorization.

70075736131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 92610, while the sum is 40.

The spelling of 70075736131 in words is "seventy billion, seventy-five million, seven hundred thirty-six thousand, one hundred thirty-one".