3112401402 has 64 divisors (see below), whose sum is σ = 7563265920. Its totient is φ = 940896000.

The previous prime is 3112401401. The next prime is 3112401407. The reversal of 3112401402 is 2041042113.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (3112401401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 251152 + ... + 263252.

It is an arithmetic number, because the mean of its divisors is an integer number (118176030).

Almost surely, 2^3112401402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3112401402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3781632960).

3112401402 is an abundant number, since it is smaller than the sum of its proper divisors (4450864518).

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

3112401402 is a wasteful number, since it uses less digits than its factorization.

3112401402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12556 (or 12550 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 3112401402 is about 55788.9003476498. The cubic root of 3112401402 is about 1460.0415016038.

Adding to 3112401402 its reverse (2041042113), we get a palindrome (5153443515).

The spelling of 3112401402 in words is "three billion, one hundred twelve million, four hundred one thousand, four hundred two".