3121042434 has 16 divisors (see below), whose sum is σ = 6262421088. Its totient is φ = 1036958112.

The previous prime is 3121042433. The next prime is 3121042471. The reversal of 3121042434 is 4342401213.

It is not an unprimeable number, because it can be changed into a prime (3121042433) 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, 845347 + ... + 849030.

It is an arithmetic number, because the mean of its divisors is an integer number (391401318).

Almost surely, 2^3121042434 is an apocalyptic number.

3121042434 is an abundant number, since it is smaller than the sum of its proper divisors (3141378654).

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

3121042434 is a wasteful number, since it uses less digits than its factorization.

3121042434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1694689.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 3121042434 is about 55866.2906769368. The cubic root of 3121042434 is about 1461.3914354195.

Adding to 3121042434 its reverse (4342401213), we get a palindrome (7463443647).

The spelling of 3121042434 in words is "three billion, one hundred twenty-one million, forty-two thousand, four hundred thirty-four".