70130995531 has 4 divisors (see below), whose sum is σ = 70156018312. Its totient is φ = 70105972752.

The previous prime is 70130995489. The next prime is 70130995609. The reversal of 70130995531 is 13559903107.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13559903107 = 105769 ⋅128203.

It is a cyclic number.

It is not a de Polignac number, because 70130995531 - 2¹⁵ = 70130962763 is a prime.

It is a super-3 number, since 3×70130995531³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70130993531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12507186 + ... + 12512791.

It is an arithmetic number, because the mean of its divisors is an integer number (17539004578).

Almost surely, 2^70130995531 is an apocalyptic number.

70130995531 is a deficient number, since it is larger than the sum of its proper divisors (25022781).

70130995531 is a wasteful number, since it uses less digits than its factorization.

70130995531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25022780.

The product of its (nonzero) digits is 127575, while the sum is 43.

The spelling of 70130995531 in words is "seventy billion, one hundred thirty million, nine hundred ninety-five thousand, five hundred thirty-one".