3121132002213 has 4 divisors (see below), whose sum is σ = 4161509336288. Its totient is φ = 2080754668140.

The previous prime is 3121132002179. The next prime is 3121132002257. The reversal of 3121132002213 is 3122002311213.

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 not a de Polignac number, because 3121132002213 - 2⁸ = 3121132001957 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3121132002213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3121132702213) 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, 520188667033 + ... + 520188667038.

It is an arithmetic number, because the mean of its divisors is an integer number (1040377334072).

Almost surely, 2^{3121132002213} is an apocalyptic number.

It is an amenable number.

3121132002213 is a deficient number, since it is larger than the sum of its proper divisors (1040377334075).

3121132002213 is a wasteful number, since it uses less digits than its factorization.

3121132002213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1040377334074.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 3121132002213 its reverse (3122002311213), we get a palindrome (6243134313426).

The spelling of 3121132002213 in words is "three trillion, one hundred twenty-one billion, one hundred thirty-two million, two thousand, two hundred thirteen".