221431300043130 has 96 divisors (see below), whose sum is σ = 576889674476544. Its totient is φ = 58928589823488.

The previous prime is 221431300043099. The next prime is 221431300043147. The reversal of 221431300043130 is 31340003134122.

It is a happy number.

221431300043130 is a `hidden beast` number, since 2 + 2 + 1 + 43 + 1 + 300 + 0 + 4 + 313 + 0 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 221431300043094 and 221431300043103.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 155505247 + ... + 156922733.

It is an arithmetic number, because the mean of its divisors is an integer number (6009267442464).

Almost surely, 2^{221431300043130} is an apocalyptic number.

221431300043130 is an abundant number, since it is smaller than the sum of its proper divisors (355458374433414).

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

221431300043130 is a wasteful number, since it uses less digits than its factorization.

221431300043130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1421020 (or 1421017 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 221431300043130 its reverse (31340003134122), we get a palindrome (252771303177252).

The spelling of 221431300043130 in words is "two hundred twenty-one trillion, four hundred thirty-one billion, three hundred million, forty-three thousand, one hundred thirty".