311313044052154 has 32 divisors (see below), whose sum is σ = 499167235293696. Its totient is φ = 145295909275440.

The previous prime is 311313044052137. The next prime is 311313044052203. The reversal of 311313044052154 is 451250440313113.

It is a happy number.

It is a super-2 number, since 2×311313044052154² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 471679912 + ... + 472339459.

It is an arithmetic number, because the mean of its divisors is an integer number (15598976102928).

Almost surely, 2^{311313044052154} is an apocalyptic number.

311313044052154 is a deficient number, since it is larger than the sum of its proper divisors (187854191241542).

311313044052154 is a wasteful number, since it uses less digits than its factorization.

311313044052154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 944019570.

The product of its (nonzero) digits is 86400, while the sum is 37.

Adding to 311313044052154 its reverse (451250440313113), we get a palindrome (762563484365267).

The spelling of 311313044052154 in words is "three hundred eleven trillion, three hundred thirteen billion, forty-four million, fifty-two thousand, one hundred fifty-four".