3121301402 has 16 divisors (see below), whose sum is σ = 4860000000. Its totient is φ = 1501864320.

The previous prime is 3121301401. The next prime is 3121301413. The reversal of 3121301402 is 2041031213.

3121301402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (3121301401) 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, 129527 + ... + 151722.

It is an arithmetic number, because the mean of its divisors is an integer number (303750000).

Almost surely, 2^3121301402 is an apocalyptic number.

3121301402 is a deficient number, since it is larger than the sum of its proper divisors (1738698598).

3121301402 is a wasteful number, since it uses less digits than its factorization.

3121301402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281461.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 3121301402 is about 55868.6083771558. The cubic root of 3121301402 is about 1461.4318538757.

Adding to 3121301402 its reverse (2041031213), we get a palindrome (5162332615).

The spelling of 3121301402 in words is "three billion, one hundred twenty-one million, three hundred one thousand, four hundred two".