50221312231013 has 32 divisors (see below), whose sum is σ = 65911943562240. Its totient is φ = 37072197106560.

The previous prime is 50221312230923. The next prime is 50221312231021. The reversal of 50221312231013 is 31013221312205.

It is not a de Polignac number, because 50221312231013 - 2¹⁴ = 50221312214629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50221312231043) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32928170 + ... + 34419572.

It is an arithmetic number, because the mean of its divisors is an integer number (2059748236320).

Almost surely, 2^{50221312231013} is an apocalyptic number.

It is an amenable number.

50221312231013 is a deficient number, since it is larger than the sum of its proper divisors (15690631331227).

50221312231013 is a wasteful number, since it uses less digits than its factorization.

50221312231013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1514457.

The product of its (nonzero) digits is 2160, while the sum is 26.

Adding to 50221312231013 its reverse (31013221312205), we get a palindrome (81234533543218).

The spelling of 50221312231013 in words is "fifty trillion, two hundred twenty-one billion, three hundred twelve million, two hundred thirty-one thousand, thirteen".