3113201021 has 12 divisors (see below), whose sum is σ = 3619298592. Its totient is φ = 2623209384.

The previous prime is 3113201017. The next prime is 3113201023. The reversal of 3113201021 is 1201023113.

It is not a de Polignac number, because 3113201021 - 2² = 3113201017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3113200987 and 3113201005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3113201023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39515 + ... + 88248.

It is an arithmetic number, because the mean of its divisors is an integer number (301608216).

Almost surely, 2^3113201021 is an apocalyptic number.

It is an amenable number.

3113201021 is a deficient number, since it is larger than the sum of its proper divisors (506097571).

3113201021 is an equidigital number, since it uses as much as digits as its factorization.

3113201021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127888 (or 127829 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 3113201021 is about 55796.0663577640. The cubic root of 3113201021 is about 1460.1665258545.

Adding to 3113201021 its reverse (1201023113), we get a palindrome (4314224134).

The spelling of 3113201021 in words is "three billion, one hundred thirteen million, two hundred one thousand, twenty-one".