332121312013 has 4 divisors (see below), whose sum is σ = 332122974688. Its totient is φ = 332119649340.

The previous prime is 332121312011. The next prime is 332121312031. The reversal of 332121312013 is 310213121233.

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, and also an emirpimes, since its reverse is a distinct semiprime: 310213121233 = 164113 ⋅1890241.

It is a cyclic number.

It is not a de Polignac number, because 332121312013 - 2¹ = 332121312011 is a prime.

It is a super-2 number, since 2×332121312013² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (332121312011) 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, 483081 + ... + 947422.

It is an arithmetic number, because the mean of its divisors is an integer number (83030743672).

Almost surely, 2^332121312013 is an apocalyptic number.

It is an amenable number.

332121312013 is a deficient number, since it is larger than the sum of its proper divisors (1662675).

332121312013 is a wasteful number, since it uses less digits than its factorization.

332121312013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1662674.

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

Adding to 332121312013 its reverse (310213121233), we get a palindrome (642334433246).

The spelling of 332121312013 in words is "three hundred thirty-two billion, one hundred twenty-one million, three hundred twelve thousand, thirteen".