Search a number
-
+
101340031 = 1312761381
BaseRepresentation
bin1100000101001…
…01001101111111
321001200121101111
412002211031333
5201420340111
614020022451
72340242662
oct602451577
9231617344
10101340031
11522272a1
1229b31a27
1317cc2720
14d65d6d9
158d6ba21
hex60a537f

101340031 has 8 divisors (see below), whose sum is σ = 109996544. Its totient is φ = 92806560.

The previous prime is 101339969. The next prime is 101340049. The reversal of 101340031 is 130043101.

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

It is a cyclic number.

It is not a de Polignac number, because 101340031 - 215 = 101307263 is a prime.

It is a super-2 number, since 2×1013400312 = 20539603766161922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101339993 and 101340020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101340061) 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, 29040 + ... + 32341.

It is an arithmetic number, because the mean of its divisors is an integer number (13749568).

Almost surely, 2101340031 is an apocalyptic number.

101340031 is a deficient number, since it is larger than the sum of its proper divisors (8656513).

101340031 is a wasteful number, since it uses less digits than its factorization.

101340031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61521.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 101340031 is about 10066.7785810556. The cubic root of 101340031 is about 466.2229817568. Note that the first 3 decimals are identical.

Adding to 101340031 its reverse (130043101), we get a palindrome (231383132).

The spelling of 101340031 in words is "one hundred one million, three hundred forty thousand, thirty-one".

Divisors: 1 13 127 1651 61381 797953 7795387 101340031