331132030012021 has 4 divisors (see below), whose sum is σ = 378436605728032. Its totient is φ = 283827454296012.

The previous prime is 331132030011989. The next prime is 331132030012027. The reversal of 331132030012021 is 120210030231133.

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 a cyclic number.

It is not a de Polignac number, because 331132030012021 - 2⁵ = 331132030011989 is a prime.

It is a super-3 number, since 3×331132030012021³ (a number of 45 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 331132030011983 and 331132030012001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331132030012027) 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, 23652287857995 + ... + 23652287858008.

It is an arithmetic number, because the mean of its divisors is an integer number (94609151432008).

Almost surely, 2^{331132030012021} is an apocalyptic number.

It is an amenable number.

331132030012021 is a deficient number, since it is larger than the sum of its proper divisors (47304575716011).

331132030012021 is an equidigital number, since it uses as much as digits as its factorization.

331132030012021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47304575716010.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 331132030012021 its reverse (120210030231133), we get a palindrome (451342060243154).

The spelling of 331132030012021 in words is "three hundred thirty-one trillion, one hundred thirty-two billion, thirty million, twelve thousand, twenty-one".