311430413 has 16 divisors (see below), whose sum is σ = 365990400. Its totient is φ = 259466496.

The previous prime is 311430407. The next prime is 311430479. The reversal of 311430413 is 314034113.

It is a cyclic number.

It is not a de Polignac number, because 311430413 - 2¹² = 311426317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311433413) 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, 45845 + ... + 52197.

It is an arithmetic number, because the mean of its divisors is an integer number (22874400).

Almost surely, 2^311430413 is an apocalyptic number.

It is an amenable number.

311430413 is a deficient number, since it is larger than the sum of its proper divisors (54559987).

311430413 is a wasteful number, since it uses less digits than its factorization.

311430413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6556.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 311430413 is about 17647.3911103030. The cubic root of 311430413 is about 677.8293042904.

Adding to 311430413 its reverse (314034113), we get a palindrome (625464526).

The spelling of 311430413 in words is "three hundred eleven million, four hundred thirty thousand, four hundred thirteen".