31331034423 has 24 divisors (see below), whose sum is σ = 48865827920. Its totient is φ = 19229736960.

The previous prime is 31331034421. The next prime is 31331034431. The reversal of 31331034423 is 32443013313.

31331034423 is a `hidden beast` number, since 3 + 1 + 3 + 310 + 344 + 2 + 3 = 666.

It is not a de Polignac number, because 31331034423 - 2¹ = 31331034421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31331034421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 308938 + ... + 397623.

Almost surely, 2^31331034423 is an apocalyptic number.

31331034423 is a deficient number, since it is larger than the sum of its proper divisors (17534793497).

31331034423 is a wasteful number, since it uses less digits than its factorization.

31331034423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 706959 (or 706956 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 31331034423 its reverse (32443013313), we get a palindrome (63774047736).

The spelling of 31331034423 in words is "thirty-one billion, three hundred thirty-one million, thirty-four thousand, four hundred twenty-three".