3121101320311 has 16 divisors (see below), whose sum is σ = 3524720391360. Its totient is φ = 2743566094080.

The previous prime is 3121101320251. The next prime is 3121101320333. The reversal of 3121101320311 is 1130231011213.

It is a cyclic number.

It is not a de Polignac number, because 3121101320311 - 2⁹ = 3121101319799 is a prime.

It is a super-2 number, since 2×3121101320311² (a number of 26 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 (3121101320411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56676475 + ... + 56731516.

It is an arithmetic number, because the mean of its divisors is an integer number (220295024460).

Almost surely, 2^{3121101320311} is an apocalyptic number.

3121101320311 is a deficient number, since it is larger than the sum of its proper divisors (403619071049).

3121101320311 is a wasteful number, since it uses less digits than its factorization.

3121101320311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113408106.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 3121101320311 its reverse (1130231011213), we get a palindrome (4251332331524).

The spelling of 3121101320311 in words is "three trillion, one hundred twenty-one billion, one hundred one million, three hundred twenty thousand, three hundred eleven".