31112330343 has 8 divisors (see below), whose sum is σ = 43923289968. Its totient is φ = 19521462144.

The previous prime is 31112330339. The next prime is 31112330363. The reversal of 31112330343 is 34303321113.

It is a happy number.

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

It is not a de Polignac number, because 31112330343 - 2² = 31112330339 is a prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31112330323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 305022796 + ... + 305022897.

It is an arithmetic number, because the mean of its divisors is an integer number (5490411246).

Almost surely, 2^31112330343 is an apocalyptic number.

31112330343 is a deficient number, since it is larger than the sum of its proper divisors (12810959625).

31112330343 is a wasteful number, since it uses less digits than its factorization.

31112330343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610045713.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 31112330343 its reverse (34303321113), we get a palindrome (65415651456).

The spelling of 31112330343 in words is "thirty-one billion, one hundred twelve million, three hundred thirty thousand, three hundred forty-three".