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313133053 = 1961726711
BaseRepresentation
bin10010101010100…
…000011111111101
3210211012210210111
4102222200133331
51120130224203
651023310021
710521405232
oct2252403775
9724183714
10313133053
11150834552
1288a4b311
134cb4873c
142d831789
151c75526d
hex12aa07fd

313133053 has 8 divisors (see below), whose sum is σ = 330160320. Its totient is φ = 296160480.

The previous prime is 313133033. The next prime is 313133059. The reversal of 313133053 is 350331313.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-313133053 is a prime.

It is a super-2 number, since 2×3131330532 = 196104617762201618, which 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 (313133059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1633 + ... + 25078.

It is an arithmetic number, because the mean of its divisors is an integer number (41270040).

Almost surely, 2313133053 is an apocalyptic number.

It is an amenable number.

313133053 is a deficient number, since it is larger than the sum of its proper divisors (17027267).

313133053 is a wasteful number, since it uses less digits than its factorization.

313133053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27347.

The product of its (nonzero) digits is 1215, while the sum is 22.

The square root of 313133053 is about 17695.5659135276. The cubic root of 313133053 is about 679.0623271298.

Adding to 313133053 its reverse (350331313), we get a palindrome (663464366).

The spelling of 313133053 in words is "three hundred thirteen million, one hundred thirty-three thousand, fifty-three".

Divisors: 1 19 617 11723 26711 507509 16480687 313133053