3120032101 has 4 divisors (see below), whose sum is σ = 3121777900. Its totient is φ = 3118286304.

The previous prime is 3120032093. The next prime is 3120032119. The reversal of 3120032101 is 1012300213.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1012300213 = 5531 ⋅183023.

It can be written as a sum of positive squares in 2 ways, for example, as 2667619201 + 452412900 = 51649^2 + 21270^2 .

It is a cyclic number.

It is not a de Polignac number, because 3120032101 - 2³ = 3120032093 is a prime.

It is a super-2 number, since 2×3120032101² = 19469200622540948402, which 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 (3120032701) 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, 870216 + ... + 873793.

It is an arithmetic number, because the mean of its divisors is an integer number (780444475).

Almost surely, 2^3120032101 is an apocalyptic number.

It is an amenable number.

3120032101 is a deficient number, since it is larger than the sum of its proper divisors (1745799).

3120032101 is a wasteful number, since it uses less digits than its factorization.

3120032101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1745798.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 3120032101 is about 55857.2475243813. The cubic root of 3120032101 is about 1461.2337262166.

Adding to 3120032101 its reverse (1012300213), we get a palindrome (4132332314).

The spelling of 3120032101 in words is "three billion, one hundred twenty million, thirty-two thousand, one hundred one".