3331278311242 has 24 divisors (see below), whose sum is σ = 5813911377540. Its totient is φ = 1427403176640.

The previous prime is 3331278311209. The next prime is 3331278311293. The reversal of 3331278311242 is 2421138721333.

It can be written as a sum of positive squares in 2 ways, for example, as 3259689422521 + 71588888721 = 1805461^2 + 267561^2 .

It is a super-2 number, since 2×3331278311242² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3331278311195 and 3331278311204.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2933509 + ... + 3907432.

Almost surely, 2^{3331278311242} is an apocalyptic number.

3331278311242 is a deficient number, since it is larger than the sum of its proper divisors (2482633066298).

3331278311242 is a wasteful number, since it uses less digits than its factorization.

3331278311242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6845926 (or 6845919 counting only the distinct ones).

The product of its digits is 145152, while the sum is 40.

The spelling of 3331278311242 in words is "three trillion, three hundred thirty-one billion, two hundred seventy-eight million, three hundred eleven thousand, two hundred forty-two".