32400313431 has 8 divisors (see below), whose sum is σ = 44593979904. Its totient is φ = 20903427960.

The previous prime is 32400313409. The next prime is 32400313433. The reversal of 32400313431 is 13431300423.

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

It is not a de Polignac number, because 32400313431 - 2¹⁰ = 32400312407 is a prime.

It is a super-2 number, since 2×32400313431² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32400313433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174195141 + ... + 174195326.

It is an arithmetic number, because the mean of its divisors is an integer number (5574247488).

Almost surely, 2^32400313431 is an apocalyptic number.

32400313431 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

32400313431 is a deficient number, since it is larger than the sum of its proper divisors (12193666473).

32400313431 is a wasteful number, since it uses less digits than its factorization.

32400313431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348390501.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 32400313431 its reverse (13431300423), we get a palindrome (45831613854).

The spelling of 32400313431 in words is "thirty-two billion, four hundred million, three hundred thirteen thousand, four hundred thirty-one".