31343214143 has 32 divisors (see below), whose sum is σ = 35064368640. Its totient is φ = 27864207360.

The previous prime is 31343214121. The next prime is 31343214173. The reversal of 31343214143 is 34141234313.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 31343214143 - 2¹⁶ = 31343148607 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31343214173) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30758288 + ... + 30759306.

It is an arithmetic number, because the mean of its divisors is an integer number (1095761520).

Almost surely, 2^31343214143 is an apocalyptic number.

31343214143 is a deficient number, since it is larger than the sum of its proper divisors (3721154497).

31343214143 is a wasteful number, since it uses less digits than its factorization.

31343214143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1967.

The product of its digits is 10368, while the sum is 29.

Adding to 31343214143 its reverse (34141234313), we get a palindrome (65484448456).

The spelling of 31343214143 in words is "thirty-one billion, three hundred forty-three million, two hundred fourteen thousand, one hundred forty-three".