313142133 has 16 divisors (see below), whose sum is σ = 430851456. Its totient is φ = 202172160.

The previous prime is 313142131. The next prime is 313142197. The reversal of 313142133 is 331241313.

It is not a de Polignac number, because 313142133 - 2¹ = 313142131 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313142131) 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, 7560 + ... + 26142.

It is an arithmetic number, because the mean of its divisors is an integer number (26928216).

Almost surely, 2^313142133 is an apocalyptic number.

It is an amenable number.

313142133 is a deficient number, since it is larger than the sum of its proper divisors (117709323).

313142133 is a wasteful number, since it uses less digits than its factorization.

313142133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18764.

The product of its digits is 648, while the sum is 21.

The square root of 313142133 is about 17695.8224731149. The cubic root of 313142133 is about 679.0688907149.

Adding to 313142133 its reverse (331241313), we get a palindrome (644383446).

The spelling of 313142133 in words is "three hundred thirteen million, one hundred forty-two thousand, one hundred thirty-three".