31420230123343 has 32 divisors (see below), whose sum is σ = 32919168960000. Its totient is φ = 29958794213760.

The previous prime is 31420230123329. The next prime is 31420230123389. The reversal of 31420230123343 is 34332103202413.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 31420230123343 - 2³³ = 31411640188751 is a prime.

It is a super-2 number, since 2×31420230123343² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31420230123043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3212369113 + ... + 3212378893.

It is an arithmetic number, because the mean of its divisors is an integer number (1028724030000).

Almost surely, 2^{31420230123343} is an apocalyptic number.

31420230123343 is a deficient number, since it is larger than the sum of its proper divisors (1498938836657).

31420230123343 is a wasteful number, since it uses less digits than its factorization.

31420230123343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14335.

The product of its (nonzero) digits is 31104, while the sum is 31.

Adding to 31420230123343 its reverse (34332103202413), we get a palindrome (65752333325756).

The spelling of 31420230123343 in words is "thirty-one trillion, four hundred twenty billion, two hundred thirty million, one hundred twenty-three thousand, three hundred forty-three".