311120131003 has 32 divisors (see below), whose sum is σ = 364220064000. Its totient is φ = 262741564800.

The previous prime is 311120130961. The next prime is 311120131031. The reversal of 311120131003 is 300131021113.

It is a de Polignac number, because none of the positive numbers 2^k-311120131003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (311120131093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21581868 + ... + 21596278.

It is an arithmetic number, because the mean of its divisors is an integer number (11381877000).

Almost surely, 2^311120131003 is an apocalyptic number.

311120131003 is a deficient number, since it is larger than the sum of its proper divisors (53099932997).

311120131003 is a wasteful number, since it uses less digits than its factorization.

311120131003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16443.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 311120131003 its reverse (300131021113), we get a palindrome (611251152116).

The spelling of 311120131003 in words is "three hundred eleven billion, one hundred twenty million, one hundred thirty-one thousand, three".