3103312402 has 4 divisors (see below), whose sum is σ = 4654968606. Its totient is φ = 1551656200.

The previous prime is 3103312391. The next prime is 3103312409. The reversal of 3103312402 is 2042133013.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1694886561 + 1408425841 = 41169^2 + 37529^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3103312402.

It is not an unprimeable number, because it can be changed into a prime (3103312409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 775828099 + ... + 775828102.

Almost surely, 2^3103312402 is an apocalyptic number.

3103312402 is a deficient number, since it is larger than the sum of its proper divisors (1551656204).

3103312402 is a wasteful number, since it uses less digits than its factorization.

3103312402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1551656203.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 3103312402 is about 55707.3819345336. The cubic root of 3103312402 is about 1458.6188856392.

Adding to 3103312402 its reverse (2042133013), we get a palindrome (5145445415).

The spelling of 3103312402 in words is "three billion, one hundred three million, three hundred twelve thousand, four hundred two".