3101121993 has 32 divisors (see below), whose sum is σ = 4638412800. Its totient is φ = 1833549696.

The previous prime is 3101121973. The next prime is 3101122007. The reversal of 3101121993 is 3991211013.

It is a happy number.

It is not a de Polignac number, because 3101121993 - 2⁹ = 3101121481 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3101121993.

It is not an unprimeable number, because it can be changed into a prime (3101121943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36453 + ... + 86781.

It is an arithmetic number, because the mean of its divisors is an integer number (144950400).

Almost surely, 2^3101121993 is an apocalyptic number.

It is an amenable number.

3101121993 is a deficient number, since it is larger than the sum of its proper divisors (1537290807).

3101121993 is a wasteful number, since it uses less digits than its factorization.

3101121993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50421.

The product of its (nonzero) digits is 1458, while the sum is 30.

The square root of 3101121993 is about 55687.7185113558. The cubic root of 3101121993 is about 1458.2756261885.

The spelling of 3101121993 in words is "three billion, one hundred one million, one hundred twenty-one thousand, nine hundred ninety-three".