Search a number
-
+
31331201002033 = 1734740283131849
BaseRepresentation
bin1110001111110110111010…
…00110110010101000110001
311002221020022021020100011011
413013323131012302220301
513101312244424031113
6150345204404350521
76412414240250242
oct707733506625061
9132836267210134
1031331201002033
119a8a540187939
1236202439a5441
13146369a68406a
147a461c690cc9
15394ee2eb063d
hex1c7edd1b2a31

31331201002033 has 16 divisors (see below), whose sum is σ = 33270893985600. Its totient is φ = 29402255888896.

The previous prime is 31331201002019. The next prime is 31331201002037. The reversal of 31331201002033 is 33020010213313.

It is a cyclic number.

It is not a de Polignac number, because 31331201002033 - 25 = 31331201002001 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31331201001995 and 31331201002013.

It is not an unprimeable number, because it can be changed into a prime (31331201002037) 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, 237563493 + ... + 237695341.

It is an arithmetic number, because the mean of its divisors is an integer number (2079430874100).

Almost surely, 231331201002033 is an apocalyptic number.

It is an amenable number.

31331201002033 is a deficient number, since it is larger than the sum of its proper divisors (1939692983567).

31331201002033 is a wasteful number, since it uses less digits than its factorization.

31331201002033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172496.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 31331201002033 its reverse (33020010213313), we get a palindrome (64351211215346).

The spelling of 31331201002033 in words is "thirty-one trillion, three hundred thirty-one billion, two hundred one million, two thousand, thirty-three".

Divisors: 1 17 347 5899 40283 131849 684811 2241433 13978201 45751603 237629417 777777251 5311273267 90291645539 1843011823649 31331201002033