311411161425 has 144 divisors (see below), whose sum is σ = 646791436032. Its totient is φ = 131043225600.

The previous prime is 311411161417. The next prime is 311411161429. The reversal of 311411161425 is 524161114113.

It is not a de Polignac number, because 311411161425 - 2³ = 311411161417 is a prime.

It is a super-2 number, since 2×311411161425² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 311411161392 and 311411161401.

It is not an unprimeable number, because it can be changed into a prime (311411161429) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 17524545 + ... + 17542305.

Almost surely, 2^311411161425 is an apocalyptic number.

311411161425 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

311411161425 is an abundant number, since it is smaller than the sum of its proper divisors (335380274607).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

311411161425 is a wasteful number, since it uses less digits than its factorization.

311411161425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18168 (or 18156 counting only the distinct ones).

The product of its digits is 2880, while the sum is 30.

Adding to 311411161425 its reverse (524161114113), we get a palindrome (835572275538).

The spelling of 311411161425 in words is "three hundred eleven billion, four hundred eleven million, one hundred sixty-one thousand, four hundred twenty-five".