311413134 has 16 divisors (see below), whose sum is σ = 623089872. Its totient is φ = 103760448.

The previous prime is 311413103. The next prime is 311413153. The reversal of 311413134 is 431314113.

It is a self number, because there is not a number n which added to its sum of digits gives 311413134.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6522 + ... + 25794.

It is an arithmetic number, because the mean of its divisors is an integer number (38943117).

Almost surely, 2^311413134 is an apocalyptic number.

311413134 is an abundant number, since it is smaller than the sum of its proper divisors (311676738).

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

311413134 is a wasteful number, since it uses less digits than its factorization.

311413134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21971.

The product of its digits is 432, while the sum is 21.

The square root of 311413134 is about 17646.9015410638. The cubic root of 311413134 is about 677.8167681253.

Adding to 311413134 its reverse (431314113), we get a palindrome (742727247).

The spelling of 311413134 in words is "three hundred eleven million, four hundred thirteen thousand, one hundred thirty-four".