371220113311 has 4 divisors (see below), whose sum is σ = 371240707824. Its totient is φ = 371199518800.

The previous prime is 371220113291. The next prime is 371220113347. The reversal of 371220113311 is 113311022173.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 371220113311 - 2¹³ = 371220105119 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 (371220183311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10270195 + ... + 10306276.

It is an arithmetic number, because the mean of its divisors is an integer number (92810176956).

Almost surely, 2^371220113311 is an apocalyptic number.

371220113311 is a deficient number, since it is larger than the sum of its proper divisors (20594513).

371220113311 is a wasteful number, since it uses less digits than its factorization.

371220113311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20594512.

The product of its (nonzero) digits is 756, while the sum is 25.

Adding to 371220113311 its reverse (113311022173), we get a palindrome (484531135484).

The spelling of 371220113311 in words is "three hundred seventy-one billion, two hundred twenty million, one hundred thirteen thousand, three hundred eleven".