104431323390 has 16 divisors (see below), whose sum is σ = 250635176208. Its totient is φ = 27848352896.

The previous prime is 104431323389. The next prime is 104431323401. The reversal of 104431323390 is 93323134401.

It is a super-2 number, since 2×104431323390² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1740522027 + ... + 1740522086.

It is an arithmetic number, because the mean of its divisors is an integer number (15664698513).

Almost surely, 2^104431323390 is an apocalyptic number.

104431323390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

104431323390 is an abundant number, since it is smaller than the sum of its proper divisors (146203852818).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

104431323390 is a wasteful number, since it uses less digits than its factorization.

104431323390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3481044123.

The product of its (nonzero) digits is 23328, while the sum is 33.

Adding to 104431323390 its reverse (93323134401), we get a palindrome (197754457791).

The spelling of 104431323390 in words is "one hundred four billion, four hundred thirty-one million, three hundred twenty-three thousand, three hundred ninety".