3121230013311 has 8 divisors (see below), whose sum is σ = 4179501134640. Its totient is φ = 2071889450432.

The previous prime is 3121230013301. The next prime is 3121230013351. The reversal of 3121230013311 is 1133100321213.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3121230013311 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3121230013301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2232638796 + ... + 2232640193.

It is an arithmetic number, because the mean of its divisors is an integer number (522437641830).

Almost surely, 2^{3121230013311} is an apocalyptic number.

3121230013311 is a deficient number, since it is larger than the sum of its proper divisors (1058271121329).

3121230013311 is a wasteful number, since it uses less digits than its factorization.

3121230013311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4465279225.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 3121230013311 its reverse (1133100321213), we get a palindrome (4254330334524).

The spelling of 3121230013311 in words is "three trillion, one hundred twenty-one billion, two hundred thirty million, thirteen thousand, three hundred eleven".