3111121342 has 16 divisors (see below), whose sum is σ = 5366074752. Its totient is φ = 1325156760.

The previous prime is 3111121331. The next prime is 3111121367. The reversal of 3111121342 is 2431211113.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 679384 + ... + 683947.

It is an arithmetic number, because the mean of its divisors is an integer number (335379672).

Almost surely, 2^3111121342 is an apocalyptic number.

3111121342 is a deficient number, since it is larger than the sum of its proper divisors (2254953410).

3111121342 is a wasteful number, since it uses less digits than its factorization.

3111121342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1363503.

The product of its digits is 144, while the sum is 19.

The square root of 3111121342 is about 55777.4268140795. The cubic root of 3111121342 is about 1459.8413135218.

Adding to 3111121342 its reverse (2431211113), we get a palindrome (5542332455).

The spelling of 3111121342 in words is "three billion, one hundred eleven million, one hundred twenty-one thousand, three hundred forty-two".