311430030422331 has 16 divisors (see below), whose sum is σ = 416709942133760. Its totient is φ = 206885078730720.

The previous prime is 311430030422321. The next prime is 311430030422353. The reversal of 311430030422331 is 133224030034113.

It is not a de Polignac number, because 311430030422331 - 2⁹ = 311430030421819 is a prime.

It is a super-2 number, since 2×311430030422331² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (311430030422321) 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, 144687141 + ... + 146823801.

It is an arithmetic number, because the mean of its divisors is an integer number (26044371383360).

Almost surely, 2^{311430030422331} is an apocalyptic number.

311430030422331 is a deficient number, since it is larger than the sum of its proper divisors (105279911711429).

311430030422331 is a wasteful number, since it uses less digits than its factorization.

311430030422331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2308626.

The product of its (nonzero) digits is 15552, while the sum is 30.

Adding to 311430030422331 its reverse (133224030034113), we get a palindrome (444654060456444).

The spelling of 311430030422331 in words is "three hundred eleven trillion, four hundred thirty billion, thirty million, four hundred twenty-two thousand, three hundred thirty-one".