331000003131 has 8 divisors (see below), whose sum is σ = 504380957184. Its totient is φ = 189142858920.

The previous prime is 331000003069. The next prime is 331000003141. The reversal of 331000003131 is 131300000133.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 331000003131 - 2¹⁰ = 331000002107 is a prime.

It is a super-2 number, since 2×331000003131² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 331000003131.

It is not an unprimeable number, because it can be changed into a prime (331000003141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7880952435 + ... + 7880952476.

It is an arithmetic number, because the mean of its divisors is an integer number (63047619648).

Almost surely, 2^331000003131 is an apocalyptic number.

331000003131 is a deficient number, since it is larger than the sum of its proper divisors (173380954053).

331000003131 is a wasteful number, since it uses less digits than its factorization.

331000003131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15761904921.

The product of its (nonzero) digits is 81, while the sum is 15.

Adding to 331000003131 its reverse (131300000133), we get a palindrome (462300003264).

The spelling of 331000003131 in words is "three hundred thirty-one billion, three thousand, one hundred thirty-one".