31413231343 has 4 divisors (see below), whose sum is σ = 33829633768. Its totient is φ = 28996828920.

The previous prime is 31413231331. The next prime is 31413231383. The reversal of 31413231343 is 34313231413.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34313231413 = 463 ⋅74110651.

It is a cyclic number.

It is not a de Polignac number, because 31413231343 - 2¹³ = 31413223151 is a prime.

It is a super-3 number, since 3×31413231343³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31413231313) 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, 1208201193 + ... + 1208201218.

It is an arithmetic number, because the mean of its divisors is an integer number (8457408442).

Almost surely, 2^31413231343 is an apocalyptic number.

31413231343 is a deficient number, since it is larger than the sum of its proper divisors (2416402425).

31413231343 is a wasteful number, since it uses less digits than its factorization.

31413231343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2416402424.

The product of its digits is 7776, while the sum is 28.

Adding to 31413231343 its reverse (34313231413), we get a palindrome (65726462756).

The spelling of 31413231343 in words is "thirty-one billion, four hundred thirteen million, two hundred thirty-one thousand, three hundred forty-three".