42351431511 has 8 divisors (see below), whose sum is σ = 56471217664. Its totient is φ = 28232966520.

The previous prime is 42351431503. The next prime is 42351431519. The reversal of 42351431511 is 11513415324.

It is an interprime number because it is at equal distance from previous prime (42351431503) and next prime (42351431519).

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

It is not a de Polignac number, because 42351431511 - 2³ = 42351431503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42351431519) 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, 252901 + ... + 385566.

It is an arithmetic number, because the mean of its divisors is an integer number (7058902208).

Almost surely, 2^42351431511 is an apocalyptic number.

42351431511 is a deficient number, since it is larger than the sum of its proper divisors (14119786153).

42351431511 is a wasteful number, since it uses less digits than its factorization.

42351431511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660581.

The product of its digits is 7200, while the sum is 30.

Adding to 42351431511 its reverse (11513415324), we get a palindrome (53864846835).

The spelling of 42351431511 in words is "forty-two billion, three hundred fifty-one million, four hundred thirty-one thousand, five hundred eleven".