31226435343 has 12 divisors (see below), whose sum is σ = 47478790840. Its totient is φ = 19721959056.

The previous prime is 31226435281. The next prime is 31226435371. The reversal of 31226435343 is 34353462213.

31226435343 is a `hidden beast` number, since 3 + 1 + 2 + 2 + 643 + 5 + 3 + 4 + 3 = 666.

It is not a de Polignac number, because 31226435343 - 2⁹ = 31226434831 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31226435298 and 31226435307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31206435343) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 91305196 + ... + 91305537.

Almost surely, 2^31226435343 is an apocalyptic number.

31226435343 is a deficient number, since it is larger than the sum of its proper divisors (16252355497).

31226435343 is a wasteful number, since it uses less digits than its factorization.

31226435343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182610758 (or 182610755 counting only the distinct ones).

The product of its digits is 155520, while the sum is 36.

Adding to 31226435343 its reverse (34353462213), we get a palindrome (65579897556).

The spelling of 31226435343 in words is "thirty-one billion, two hundred twenty-six million, four hundred thirty-five thousand, three hundred forty-three".