311422255445 has 16 divisors (see below), whose sum is σ = 436180474368. Its totient is φ = 209003141760.

The previous prime is 311422255439. The next prime is 311422255453. The reversal of 311422255445 is 544552224113.

It is not a de Polignac number, because 311422255445 - 2²⁰ = 311421206869 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 311422255399 and 311422255408.

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, 94655576 + ... + 94658865.

It is an arithmetic number, because the mean of its divisors is an integer number (27261279648).

Almost surely, 2^311422255445 is an apocalyptic number.

311422255445 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

311422255445 is a deficient number, since it is larger than the sum of its proper divisors (124758218923).

311422255445 is a wasteful number, since it uses less digits than its factorization.

311422255445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189314500.

The product of its digits is 192000, while the sum is 38.

Adding to 311422255445 its reverse (544552224113), we get a palindrome (855974479558).

The spelling of 311422255445 in words is "three hundred eleven billion, four hundred twenty-two million, two hundred fifty-five thousand, four hundred forty-five".