311200110131 has 4 divisors (see below), whose sum is σ = 311213100264. Its totient is φ = 311187120000.

The previous prime is 311200110113. The next prime is 311200110157. The reversal of 311200110131 is 131011002113.

It is a happy number.

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 311200110131 - 2²² = 311195915827 is a prime.

It is a super-2 number, since 2×311200110131² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (311200110631) 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, 6459065 + ... + 6507066.

It is an arithmetic number, because the mean of its divisors is an integer number (77803275066).

Almost surely, 2^311200110131 is an apocalyptic number.

311200110131 is a deficient number, since it is larger than the sum of its proper divisors (12990133).

311200110131 is a wasteful number, since it uses less digits than its factorization.

311200110131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12990132.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 311200110131 its reverse (131011002113), we get a palindrome (442211112244).

The spelling of 311200110131 in words is "three hundred eleven billion, two hundred million, one hundred ten thousand, one hundred thirty-one".