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31214113003 = 181172453663
BaseRepresentation
bin11101000100100000…
…011001000011101011
32222120100212020022101
4131010200121003223
51002411303104003
622201202434231
72153341403623
oct350440310353
988510766271
1031214113003
111226860a107
126071662977
132c35a8b268
1417217ad883
15c2a50111d
hex7448190eb

31214113003 has 4 divisors (see below), whose sum is σ = 31386566848. Its totient is φ = 31041659160.

The previous prime is 31214112949. The next prime is 31214113009. The reversal of 31214113003 is 30031141213.

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 31214113003 - 225 = 31180558571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31214113009) 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, 86226651 + ... + 86227012.

It is an arithmetic number, because the mean of its divisors is an integer number (7846641712).

Almost surely, 231214113003 is an apocalyptic number.

31214113003 is a deficient number, since it is larger than the sum of its proper divisors (172453845).

31214113003 is a wasteful number, since it uses less digits than its factorization.

31214113003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172453844.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 31214113003 its reverse (30031141213), we get a palindrome (61245254216).

The spelling of 31214113003 in words is "thirty-one billion, two hundred fourteen million, one hundred thirteen thousand, three".

Divisors: 1 181 172453663 31214113003