42311310421 has 8 divisors (see below), whose sum is σ = 45892899864. Its totient is φ = 38851130880.

The previous prime is 42311310413. The next prime is 42311310427. The reversal of 42311310421 is 12401311324.

It can be written as a sum of positive squares in 4 ways, for example, as 2491107921 + 39820202500 = 49911^2 + 199550^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42311310421 - 2³ = 42311310413 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42311310392 and 42311310401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42311310427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30351750 + ... + 30353143.

It is an arithmetic number, because the mean of its divisors is an integer number (5736612483).

Almost surely, 2^42311310421 is an apocalyptic number.

42311310421 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

42311310421 is a deficient number, since it is larger than the sum of its proper divisors (3581589443).

42311310421 is a wasteful number, since it uses less digits than its factorization.

42311310421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60704951.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 42311310421 its reverse (12401311324), we get a palindrome (54712621745).

The spelling of 42311310421 in words is "forty-two billion, three hundred eleven million, three hundred ten thousand, four hundred twenty-one".