311412323302031 has 16 divisors (see below), whose sum is σ = 376835615899200. Its totient is φ = 251223029798400.

The previous prime is 311412323302027. The next prime is 311412323302033. The reversal of 311412323302031 is 130203323214113.

It is a cyclic number.

It is not a de Polignac number, because 311412323302031 - 2² = 311412323302027 is a prime.

It is a super-2 number, since 2×311412323302031² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 311412323301985 and 311412323302003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311412323302033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110745245 + ... + 113522393.

It is an arithmetic number, because the mean of its divisors is an integer number (23552225993700).

Almost surely, 2^{311412323302031} is an apocalyptic number.

311412323302031 is a deficient number, since it is larger than the sum of its proper divisors (65423292597169).

311412323302031 is a wasteful number, since it uses less digits than its factorization.

311412323302031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3719474.

The product of its (nonzero) digits is 7776, while the sum is 29.

Adding to 311412323302031 its reverse (130203323214113), we get a palindrome (441615646516144).

The spelling of 311412323302031 in words is "three hundred eleven trillion, four hundred twelve billion, three hundred twenty-three million, three hundred two thousand, thirty-one".