42364251431 has 4 divisors (see below), whose sum is σ = 42412338864. Its totient is φ = 42316164000.

The previous prime is 42364251409. The next prime is 42364251437. The reversal of 42364251431 is 13415246324.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42364251431 - 2¹⁴ = 42364235047 is a prime.

It is a super-2 number, since 2×42364251431² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42364251391 and 42364251400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42364251437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24042395 + ... + 24044156.

It is an arithmetic number, because the mean of its divisors is an integer number (10603084716).

Almost surely, 2^42364251431 is an apocalyptic number.

42364251431 is a deficient number, since it is larger than the sum of its proper divisors (48087433).

42364251431 is an equidigital number, since it uses as much as digits as its factorization.

42364251431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48087432.

The product of its digits is 69120, while the sum is 35.

Adding to 42364251431 its reverse (13415246324), we get a palindrome (55779497755).

The spelling of 42364251431 in words is "forty-two billion, three hundred sixty-four million, two hundred fifty-one thousand, four hundred thirty-one".