3120421302 has 12 divisors (see below), whose sum is σ = 6760912860. Its totient is φ = 1040140428.

The previous prime is 3120421301. The next prime is 3120421303. The reversal of 3120421302 is 2031240213.

It is an interprime number because it is at equal distance from previous prime (3120421301) and next prime (3120421303).

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 173356739 = 3120421302 / (3 + 1 + 2 + 0 + 4 + 2 + 1 + 3 + 0 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3120421301) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 86678352 + ... + 86678387.

It is an arithmetic number, because the mean of its divisors is an integer number (563409405).

Almost surely, 2^3120421302 is an apocalyptic number.

3120421302 is an abundant number, since it is smaller than the sum of its proper divisors (3640491558).

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

3120421302 is a wasteful number, since it uses less digits than its factorization.

3120421302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173356747 (or 173356744 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 3120421302 is about 55860.7313056319. The cubic root of 3120421302 is about 1461.2944830682.

Adding to 3120421302 its reverse (2031240213), we get a palindrome (5151661515).

The spelling of 3120421302 in words is "three billion, one hundred twenty million, four hundred twenty-one thousand, three hundred two".