201310111394 has 16 divisors (see below), whose sum is σ = 345626740800. Its totient is φ = 86144838864.

The previous prime is 201310111363. The next prime is 201310111411. The reversal of 201310111394 is 493111013102.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10900709 + ... + 10919160.

It is an arithmetic number, because the mean of its divisors is an integer number (21601671300).

Almost surely, 2^201310111394 is an apocalyptic number.

201310111394 is a deficient number, since it is larger than the sum of its proper divisors (144316629406).

201310111394 is a wasteful number, since it uses less digits than its factorization.

201310111394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21820537.

The product of its (nonzero) digits is 648, while the sum is 26.

Adding to 201310111394 its reverse (493111013102), we get a palindrome (694421124496).

The spelling of 201310111394 in words is "two hundred one billion, three hundred ten million, one hundred eleven thousand, three hundred ninety-four".