311223512551054 has 32 divisors (see below), whose sum is σ = 482708972229120. Its totient is φ = 150393174220800.

The previous prime is 311223512550971. The next prime is 311223512551093. The reversal of 311223512551054 is 450155215322113.

It is a junction number, because it is equal to n+sod(n) for n = 311223512550998 and 311223512551016.

It is a congruent number.

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, 8613139 + ... + 26393809.

It is an arithmetic number, because the mean of its divisors is an integer number (15084655382160).

Almost surely, 2^{311223512551054} is an apocalyptic number.

311223512551054 is a deficient number, since it is larger than the sum of its proper divisors (171485459678066).

311223512551054 is a wasteful number, since it uses less digits than its factorization.

311223512551054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17782716.

The product of its (nonzero) digits is 180000, while the sum is 40.

Adding to 311223512551054 its reverse (450155215322113), we get a palindrome (761378727873167).

The spelling of 311223512551054 in words is "three hundred eleven trillion, two hundred twenty-three billion, five hundred twelve million, five hundred fifty-one thousand, fifty-four".