331010100421 has 16 divisors (see below), whose sum is σ = 444433143168. Its totient is φ = 238089182400.

The previous prime is 331010100347. The next prime is 331010100457. The reversal of 331010100421 is 124001010133.

It is a cyclic number.

It is not a de Polignac number, because 331010100421 - 2¹¹ = 331010098373 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 331010100395 and 331010100404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331010100121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 165338710 + ... + 165340711.

It is an arithmetic number, because the mean of its divisors is an integer number (27777071448).

Almost surely, 2^331010100421 is an apocalyptic number.

It is an amenable number.

331010100421 is a deficient number, since it is larger than the sum of its proper divisors (113423042747).

331010100421 is a wasteful number, since it uses less digits than its factorization.

331010100421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330679452.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 331010100421 its reverse (124001010133), we get a palindrome (455011110554).

The spelling of 331010100421 in words is "three hundred thirty-one billion, ten million, one hundred thousand, four hundred twenty-one".