3131023342 has 4 divisors (see below), whose sum is σ = 4696535016. Its totient is φ = 1565511670.

The previous prime is 3131023333. The next prime is 3131023369. The reversal of 3131023342 is 2433201313.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 782755834 + ... + 782755837.

It is an arithmetic number, because the mean of its divisors is an integer number (1174133754).

Almost surely, 2^3131023342 is an apocalyptic number.

3131023342 is a deficient number, since it is larger than the sum of its proper divisors (1565511674).

3131023342 is a wasteful number, since it uses less digits than its factorization.

3131023342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1565511673.

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 3131023342 is about 55955.5479108194. The cubic root of 3131023342 is about 1462.9475920500.

Adding to 3131023342 its reverse (2433201313), we get a palindrome (5564224655).

The spelling of 3131023342 in words is "three billion, one hundred thirty-one million, twenty-three thousand, three hundred forty-two".