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5315331 = 371271993
BaseRepresentation
bin10100010001101100000011
3101000001021010
4110101230003
52330042311
6305532003
763115410
oct24215403
911001233
105315331
11300053a
121944003
131141488
149c5107
156eeda6
hex511b03

5315331 has 16 divisors (see below), whose sum is σ = 8167424. Its totient is φ = 3011904.

The previous prime is 5315329. The next prime is 5315333. The reversal of 5315331 is 1335135.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (5315329) and next prime (5315333).

It is not a de Polignac number, because 5315331 - 21 = 5315329 is a prime.

It is a super-2 number, since 2×53153312 = 56505487279122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is the 2306-th Hogben number.

It is a Duffinian number.

5315331 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 5315298 and 5315307.

It is not an unprimeable number, because it can be changed into a prime (5315333) by changing a digit.

It is a nontrivial repunit in base 2305.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1671 + ... + 3663.

It is an arithmetic number, because the mean of its divisors is an integer number (510464).

Almost surely, 25315331 is an apocalyptic number.

5315331 is a deficient number, since it is larger than the sum of its proper divisors (2852093).

5315331 is a wasteful number, since it uses less digits than its factorization.

5315331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2130.

The product of its digits is 675, while the sum is 21.

The square root of 5315331 is about 2305.5001626545. The cubic root of 5315331 is about 174.5192902652.

The spelling of 5315331 in words is "five million, three hundred fifteen thousand, three hundred thirty-one".

Divisors: 1 3 7 21 127 381 889 1993 2667 5979 13951 41853 253111 759333 1771777 5315331