3121453734 has 16 divisors (see below), whose sum is σ = 7134751488. Its totient is φ = 891843912.

The previous prime is 3121453733. The next prime is 3121453739. The reversal of 3121453734 is 4373541213.

It is a happy number.

3121453734 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 3121453695 and 3121453704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3121453733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37160122 + ... + 37160205.

It is an arithmetic number, because the mean of its divisors is an integer number (445921968).

Almost surely, 2^3121453734 is an apocalyptic number.

3121453734 is an abundant number, since it is smaller than the sum of its proper divisors (4013297754).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3121453734 is a wasteful number, since it uses less digits than its factorization.

3121453734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74320339.

The product of its digits is 30240, while the sum is 33.

The square root of 3121453734 is about 55869.9716663612. The cubic root of 3121453734 is about 1461.4556280633.

Adding to 3121453734 its reverse (4373541213), we get a palindrome (7494994947).

It can be divided in two parts, 31214 and 53734, that added together give a palindrome (84948).

The spelling of 3121453734 in words is "three billion, one hundred twenty-one million, four hundred fifty-three thousand, seven hundred thirty-four".