331000031212113 has 4 divisors (see below), whose sum is σ = 441333374949488. Its totient is φ = 220666687474740.

The previous prime is 331000031212043. The next prime is 331000031212127. The reversal of 331000031212113 is 311212130000133.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 331000031212113 - 2¹⁰ = 331000031211089 is a prime.

It is a super-2 number, since 2×331000031212113² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 331000031212113.

It is not an unprimeable number, because it can be changed into a prime (331000031212153) 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, 55166671868683 + ... + 55166671868688.

It is an arithmetic number, because the mean of its divisors is an integer number (110333343737372).

Almost surely, 2^{331000031212113} is an apocalyptic number.

It is an amenable number.

331000031212113 is a deficient number, since it is larger than the sum of its proper divisors (110333343737375).

331000031212113 is a wasteful number, since it uses less digits than its factorization.

331000031212113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110333343737374.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 331000031212113 its reverse (311212130000133), we get a palindrome (642212161212246).

The spelling of 331000031212113 in words is "three hundred thirty-one trillion, thirty-one million, two hundred twelve thousand, one hundred thirteen".