31323061243142 has 8 divisors (see below), whose sum is σ = 47022759692832. Its totient is φ = 15648808012200.

The previous prime is 31323061243099. The next prime is 31323061243147. The reversal of 31323061243142 is 24134216032313.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×31323061243142² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31323061243147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6361301609 + ... + 6361306532.

It is an arithmetic number, because the mean of its divisors is an integer number (5877844961604).

Almost surely, 2^{31323061243142} is an apocalyptic number.

31323061243142 is a deficient number, since it is larger than the sum of its proper divisors (15699698449690).

31323061243142 is a wasteful number, since it uses less digits than its factorization.

31323061243142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12722609374.

The product of its (nonzero) digits is 62208, while the sum is 35.

Adding to 31323061243142 its reverse (24134216032313), we get a palindrome (55457277275455).

The spelling of 31323061243142 in words is "thirty-one trillion, three hundred twenty-three billion, sixty-one million, two hundred forty-three thousand, one hundred forty-two".