3121420434 has 48 divisors (see below), whose sum is σ = 7187732640. Its totient is φ = 896094720.

The previous prime is 3121420427. The next prime is 3121420457. The reversal of 3121420434 is 4340241213.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41679 + ... + 89330.

It is an arithmetic number, because the mean of its divisors is an integer number (149744430).

Almost surely, 2^3121420434 is an apocalyptic number.

3121420434 is an abundant number, since it is smaller than the sum of its proper divisors (4066312206).

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

3121420434 is a wasteful number, since it uses less digits than its factorization.

3121420434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131063 (or 131044 counting only the distinct ones).

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

The square root of 3121420434 is about 55869.6736521702. The cubic root of 3121420434 is about 1461.4504310569.

Adding to 3121420434 its reverse (4340241213), we get a palindrome (7461661647).

The spelling of 3121420434 in words is "three billion, one hundred twenty-one million, four hundred twenty thousand, four hundred thirty-four".