331401003340331 has 16 divisors (see below), whose sum is σ = 352142615613600. Its totient is φ = 311282699067648.

The previous prime is 331401003340327. The next prime is 331401003340423. The reversal of 331401003340331 is 133043300104133.

It is a cyclic number.

It is not a de Polignac number, because 331401003340331 - 2² = 331401003340327 is a prime.

It is a super-2 number, since 2×331401003340331² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 331401003340294 and 331401003340303.

It is not an unprimeable number, because it can be changed into a prime (331401003340531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13389146 + ... + 29018463.

It is an arithmetic number, because the mean of its divisors is an integer number (22008913475850).

Almost surely, 2^{331401003340331} is an apocalyptic number.

331401003340331 is a deficient number, since it is larger than the sum of its proper divisors (20741612273269).

331401003340331 is a wasteful number, since it uses less digits than its factorization.

331401003340331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42414958.

The product of its (nonzero) digits is 11664, while the sum is 29.

Adding to 331401003340331 its reverse (133043300104133), we get a palindrome (464444303444464).

The spelling of 331401003340331 in words is "three hundred thirty-one trillion, four hundred one billion, three million, three hundred forty thousand, three hundred thirty-one".