31142141323 has 4 divisors (see below), whose sum is σ = 31417735608. Its totient is φ = 30866547040.

The previous prime is 31142141299. The next prime is 31142141341. The reversal of 31142141323 is 32314124113.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32314124113 = 1193 ⋅27086441.

It is a cyclic number.

It is not a de Polignac number, because 31142141323 - 2²⁹ = 30605270411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31142141353) 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, 137796973 + ... + 137797198.

It is an arithmetic number, because the mean of its divisors is an integer number (7854433902).

Almost surely, 2^31142141323 is an apocalyptic number.

31142141323 is a deficient number, since it is larger than the sum of its proper divisors (275594285).

31142141323 is a wasteful number, since it uses less digits than its factorization.

31142141323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275594284.

The product of its digits is 1728, while the sum is 25.

Adding to 31142141323 its reverse (32314124113), we get a palindrome (63456265436).

The spelling of 31142141323 in words is "thirty-one billion, one hundred forty-two million, one hundred forty-one thousand, three hundred twenty-three".