31213341423 has 48 divisors (see below), whose sum is σ = 52516848384. Its totient is φ = 17673828480.

The previous prime is 31213341421. The next prime is 31213341427. The reversal of 31213341423 is 32414331213.

It is a happy number.

31213341423 is a `hidden beast` number, since 31 + 213 + 3 + 414 + 2 + 3 = 666.

It is not a de Polignac number, because 31213341423 - 2¹ = 31213341421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31213341421) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 61486 + ... + 257307.

It is an arithmetic number, because the mean of its divisors is an integer number (1094101008).

Almost surely, 2^31213341423 is an apocalyptic number.

31213341423 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

31213341423 is a deficient number, since it is larger than the sum of its proper divisors (21303506961).

31213341423 is a wasteful number, since it uses less digits than its factorization.

31213341423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318876 (or 318873 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

Adding to 31213341423 its reverse (32414331213), we get a palindrome (63627672636).

The spelling of 31213341423 in words is "thirty-one billion, two hundred thirteen million, three hundred forty-one thousand, four hundred twenty-three".