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3131244456142 = 2113129711545361
BaseRepresentation
bin101101100100001100101…
…101101010100011001110
3102002100021210212102222011
4231210030231222203032
5402300242040044032
610354250203411434
7442140104504335
oct55441455524316
912070253772864
103131244456142
11aa7a53956160
12426a33523b7a
13199376492aca
14ab7a5784d1c
15566b6975247
hex2d90cb6a8ce

3131244456142 has 32 divisors (see below), whose sum is σ = 5290923875328. Its totient is φ = 1376915760000.

The previous prime is 3131244456113. The next prime is 3131244456149. The reversal of 3131244456142 is 2416544421313.

3131244456142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 3131244456095 and 3131244456104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3131244456149) 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, 1253542 + ... + 2798902.

It is an arithmetic number, because the mean of its divisors is an integer number (165341371104).

Almost surely, 23131244456142 is an apocalyptic number.

3131244456142 is a deficient number, since it is larger than the sum of its proper divisors (2159679419186).

3131244456142 is a wasteful number, since it uses less digits than its factorization.

3131244456142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1548376.

The product of its digits is 276480, while the sum is 40.

Adding to 3131244456142 its reverse (2416544421313), we get a palindrome (5547788877455).

The spelling of 3131244456142 in words is "three trillion, one hundred thirty-one billion, two hundred forty-four million, four hundred fifty-six thousand, one hundred forty-two".

Divisors: 1 2 11 22 31 62 341 682 2971 5942 32681 65362 92101 184202 1013111 1545361 2026222 3090722 16998971 33997942 47906191 95812382 526968101 1053936202 4591267531 9182535062 50503942841 101007885682 142329293461 284658586922 1565622228071 3131244456142