3121202134 has 4 divisors (see below), whose sum is σ = 4681803204. Its totient is φ = 1560601066.

The previous prime is 3121202087. The next prime is 3121202137. The reversal of 3121202134 is 4312021213.

It is a happy number.

3121202134 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4312021213 = 79 ⋅54582547.

It is a super-2 number, since 2×3121202134² = 19483805522572307912, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3121202137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 780300532 + ... + 780300535.

It is an arithmetic number, because the mean of its divisors is an integer number (1170450801).

Almost surely, 2^3121202134 is an apocalyptic number.

3121202134 is a deficient number, since it is larger than the sum of its proper divisors (1560601070).

3121202134 is a wasteful number, since it uses less digits than its factorization.

3121202134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1560601069.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 3121202134 is about 55867.7199642155. The cubic root of 3121202134 is about 1461.4163608770.

Adding to 3121202134 its reverse (4312021213), we get a palindrome (7433223347).

The spelling of 3121202134 in words is "three billion, one hundred twenty-one million, two hundred two thousand, one hundred thirty-four".