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103214040631 = 1381128873391
BaseRepresentation
bin110000000100000001…
…0010100011000110111
3100212102011102112010121
41200020002110120313
53142340243300011
6115225455032411
710312511604232
oct1401002243067
9325364375117
10103214040631
113a8556a9429
121800620b707
13996b656030
144dd1c62419
152a414ace71
hex1808094637

103214040631 has 16 divisors (see below), whose sum is σ = 111362019328. Its totient is φ = 95096008800.

The previous prime is 103214040583. The next prime is 103214040691. The reversal of 103214040631 is 136040412301.

It is not a de Polignac number, because 103214040631 - 215 = 103214007863 is a prime.

It is a super-2 number, since 2×1032140406312 (a number of 23 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 = 103214040596 and 103214040605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103214040691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30435946 + ... + 30439336.

It is an arithmetic number, because the mean of its divisors is an integer number (6960126208).

Almost surely, 2103214040631 is an apocalyptic number.

103214040631 is a deficient number, since it is larger than the sum of its proper divisors (8147978697).

103214040631 is a wasteful number, since it uses less digits than its factorization.

103214040631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7102.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 103214040631 its reverse (136040412301), we get a palindrome (239254452932).

The spelling of 103214040631 in words is "one hundred three billion, two hundred fourteen million, forty thousand, six hundred thirty-one".

Divisors: 1 13 811 2887 3391 10543 37531 44083 2341357 2750101 9789817 30437641 35751313 127267621 7939541587 103214040631