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BaseRepresentation
bin1001000111011101010…
…00110111001010011111
31002221112022211111210212
410203232220313022133
520113004240200211
6355522344523035
731426261261034
oct4435650671237
91087468744725
10313241334431
111109326268a3
125085ba8047b
13237001ca93c
141123796d38b
158234dd238b
hex48eea3729f

313241334431 has 4 divisors (see below), whose sum is σ = 314991286200. Its totient is φ = 311491382664.

The previous prime is 313241334377. The next prime is 313241334463. The reversal of 313241334431 is 134433142313.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-313241334431 is a prime.

It is a super-2 number, since 2×3132413344312 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313241334491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 874975616 + ... + 874975973.

It is an arithmetic number, because the mean of its divisors is an integer number (78747821550).

Almost surely, 2313241334431 is an apocalyptic number.

313241334431 is a deficient number, since it is larger than the sum of its proper divisors (1749951769).

313241334431 is a wasteful number, since it uses less digits than its factorization.

313241334431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1749951768.

The product of its digits is 31104, while the sum is 32.

Adding to 313241334431 its reverse (134433142313), we get a palindrome (447674476744).

The spelling of 313241334431 in words is "three hundred thirteen billion, two hundred forty-one million, three hundred thirty-four thousand, four hundred thirty-one".

Divisors: 1 179 1749951589 313241334431