6981335000131 has 4 divisors (see below), whose sum is σ = 6981978629952. Its totient is φ = 6980691370312.

The previous prime is 6981335000099. The next prime is 6981335000191. The reversal of 6981335000131 is 1310005331896.

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 6981335000131 - 2⁵ = 6981335000099 is a prime.

It is a super-2 number, since 2×6981335000131² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6981335000191) 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, 321798640 + ... + 321820333.

It is an arithmetic number, because the mean of its divisors is an integer number (1745494657488).

Almost surely, 2^{6981335000131} is an apocalyptic number.

6981335000131 is a deficient number, since it is larger than the sum of its proper divisors (643629821).

6981335000131 is a wasteful number, since it uses less digits than its factorization.

6981335000131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643629820.

The product of its (nonzero) digits is 58320, while the sum is 40.

The spelling of 6981335000131 in words is "six trillion, nine hundred eighty-one billion, three hundred thirty-five million, one hundred thirty-one", and thus it is an aban number.