3113211003242 has 4 divisors (see below), whose sum is σ = 4669816504866. Its totient is φ = 1556605501620.

The previous prime is 3113211003193. The next prime is 3113211003247. The reversal of 3113211003242 is 2423001123113.

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., 2436686658121 + 676524345121 = 1560989^2 + 822511^2 .

It is not an unprimeable number, because it can be changed into a prime (3113211003247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 778302750809 + ... + 778302750812.

Almost surely, 2^{3113211003242} is an apocalyptic number.

3113211003242 is a deficient number, since it is larger than the sum of its proper divisors (1556605501624).

3113211003242 is a wasteful number, since it uses less digits than its factorization.

3113211003242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1556605501623.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 3113211003242 its reverse (2423001123113), we get a palindrome (5536212126355).

The spelling of 3113211003242 in words is "three trillion, one hundred thirteen billion, two hundred eleven million, three thousand, two hundred forty-two".