70000131331 has 4 divisors (see below), whose sum is σ = 75384756832. Its totient is φ = 64615505832.

The previous prime is 70000131329. The next prime is 70000131349. The reversal of 70000131331 is 13313100007.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 70000131331 - 2¹ = 70000131329 is a prime.

It is a super-2 number, since 2×70000131331² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 70000131299 and 70000131308.

It is not an unprimeable number, because it can be changed into a prime (70000131431) 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, 2692312731 + ... + 2692312756.

It is an arithmetic number, because the mean of its divisors is an integer number (18846189208).

Almost surely, 2^70000131331 is an apocalyptic number.

70000131331 is a deficient number, since it is larger than the sum of its proper divisors (5384625501).

70000131331 is a wasteful number, since it uses less digits than its factorization.

70000131331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5384625500.

The product of its (nonzero) digits is 189, while the sum is 19.

Adding to 70000131331 its reverse (13313100007), we get a palindrome (83313231338).

The spelling of 70000131331 in words is "seventy billion, one hundred thirty-one thousand, three hundred thirty-one".