221431413103434 has 48 divisors (see below), whose sum is σ = 483439800753000. Its totient is φ = 73246514917248.

The previous prime is 221431413103427. The next prime is 221431413103451. The reversal of 221431413103434 is 434301314134122.

221431413103434 is a `hidden beast` number, since 2 + 2 + 143 + 141 + 31 + 0 + 343 + 4 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 75705399783225 + 145726013320209 = 8700885^2 + 12071703^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35749429 + ... + 41483544.

Almost surely, 2^{221431413103434} is an apocalyptic number.

221431413103434 is an abundant number, since it is smaller than the sum of its proper divisors (262008387649566).

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

221431413103434 is a wasteful number, since it uses less digits than its factorization.

221431413103434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77234199 (or 77234196 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

Adding to 221431413103434 its reverse (434301314134122), we get a palindrome (655732727237556).

The spelling of 221431413103434 in words is "two hundred twenty-one trillion, four hundred thirty-one billion, four hundred thirteen million, one hundred three thousand, four hundred thirty-four".