331214240211421 has 12 divisors (see below), whose sum is σ = 402041775164832. Its totient is φ = 271554532346328.

The previous prime is 331214240211367. The next prime is 331214240211433. The reversal of 331214240211421 is 124112042412133.

It is not a de Polignac number, because 331214240211421 - 2⁷ = 331214240211293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331214240212421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 146945092135 + ... + 146945094388.

It is an arithmetic number, because the mean of its divisors is an integer number (33503481263736).

Almost surely, 2^{331214240211421} is an apocalyptic number.

It is an amenable number.

331214240211421 is a deficient number, since it is larger than the sum of its proper divisors (70827534953411).

331214240211421 is a wasteful number, since it uses less digits than its factorization.

331214240211421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293890186560 (or 293890186553 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

Adding to 331214240211421 its reverse (124112042412133), we get a palindrome (455326282623554).

The spelling of 331214240211421 in words is "three hundred thirty-one trillion, two hundred fourteen billion, two hundred forty million, two hundred eleven thousand, four hundred twenty-one".