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31314422130131 = 74473488875733
BaseRepresentation
bin1110001111010111101010…
…00000011110010111010011
311002212121222220211022222002
413013223311000132113103
513101023414031131011
6150333351423104215
76411251400221330
oct707536500362723
9132777886738862
1031314422130131
119a8340aa22058
123618b4074206b
131461c254349aa
147a38aa0d3987
1539485ee17c3b
hex1c7af501e5d3

31314422130131 has 4 divisors (see below), whose sum is σ = 35787911005872. Its totient is φ = 26840933254392.

The previous prime is 31314422130113. The next prime is 31314422130209. The reversal of 31314422130131 is 13103122441313.

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

It is a cyclic number.

It is not a de Polignac number, because 31314422130131 - 214 = 31314422113747 is a prime.

It is a super-2 number, since 2×313144221301312 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31314422130094 and 31314422130103.

It is not an unprimeable number, because it can be changed into a prime (31314422120131) 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, 2236744437860 + ... + 2236744437873.

It is an arithmetic number, because the mean of its divisors is an integer number (8946977751468).

Almost surely, 231314422130131 is an apocalyptic number.

31314422130131 is a deficient number, since it is larger than the sum of its proper divisors (4473488875741).

31314422130131 is an equidigital number, since it uses as much as digits as its factorization.

31314422130131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4473488875740.

The product of its (nonzero) digits is 5184, while the sum is 29.

Adding to 31314422130131 its reverse (13103122441313), we get a palindrome (44417544571444).

The spelling of 31314422130131 in words is "thirty-one trillion, three hundred fourteen billion, four hundred twenty-two million, one hundred thirty thousand, one hundred thirty-one".

Divisors: 1 7 4473488875733 31314422130131