3101133421 has 4 divisors (see below), whose sum is σ = 3283553052. Its totient is φ = 2918713792.

The previous prime is 3101133407. The next prime is 3101133449. The reversal of 3101133421 is 1243311013.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1243311013 = 7 ⋅177615859.

It can be written as a sum of positive squares in 2 ways, for example, as 1612022500 + 1489110921 = 40150^2 + 38589^2 .

It is a cyclic number.

It is not a de Polignac number, because 3101133421 - 2²³ = 3092744813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3101133481) 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, 91209790 + ... + 91209823.

It is an arithmetic number, because the mean of its divisors is an integer number (820888263).

Almost surely, 2^3101133421 is an apocalyptic number.

It is an amenable number.

3101133421 is a deficient number, since it is larger than the sum of its proper divisors (182419631).

3101133421 is a wasteful number, since it uses less digits than its factorization.

3101133421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182419630.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 3101133421 is about 55687.8211191639. The cubic root of 3101133421 is about 1458.2774174922.

Adding to 3101133421 its reverse (1243311013), we get a palindrome (4344444434).

The spelling of 3101133421 in words is "three billion, one hundred one million, one hundred thirty-three thousand, four hundred twenty-one".