Search a number
-
+
312301031031103 = 2806379111282557
BaseRepresentation
bin100011100000010010100000…
…0000001001000000100111111
31111221202200112211000112011211
41013000211000001020010333
5311413220002420443403
63024113040230025251
7122532001453160512
oct10700450001100477
91457680484015154
10312301031031103
119056613a389544
122b03a0474a8227
1310534b2640687a
145719644460d79
1526189ee6ee06d
hex11c094004813f

312301031031103 has 4 divisors (see below), whose sum is σ = 312301145120040. Its totient is φ = 312300916942168.

The previous prime is 312301031031097. The next prime is 312301031031107. The reversal of 312301031031103 is 301130130103213.

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 312301031031103 - 221 = 312301028933951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312301031031107) 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, 52834900 + ... + 58447657.

It is an arithmetic number, because the mean of its divisors is an integer number (78075286280010).

Almost surely, 2312301031031103 is an apocalyptic number.

312301031031103 is a deficient number, since it is larger than the sum of its proper divisors (114088937).

312301031031103 is a wasteful number, since it uses less digits than its factorization.

312301031031103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114088936.

The product of its (nonzero) digits is 486, while the sum is 22.

Adding to 312301031031103 its reverse (301130130103213), we get a palindrome (613431161134316).

The spelling of 312301031031103 in words is "three hundred twelve trillion, three hundred one billion, thirty-one million, thirty-one thousand, one hundred three".

Divisors: 1 2806379 111282557 312301031031103