Search a number
-
+
31300144003151 = 371396085970057
BaseRepresentation
bin1110001110111101000011…
…11101101111100001001111
311002211021010212000022220022
413013132201331233201033
513100310143331100101
6150323030533212355
76410234514153062
oct707364175574117
9132737125008808
1031300144003151
119a78353329a11
123616216a910bb
13146078b315b4a
147a2d13adc8d9
153942c6696a1b
hex1c77a1f6f84f

31300144003151 has 8 divisors (see below), whose sum is σ = 32377360708560. Its totient is φ = 30235099238208.

The previous prime is 31300144003123. The next prime is 31300144003157. The reversal of 31300144003151 is 15130044100313.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31300144003151 - 214 = 31300143986767 is a prime.

It is a super-3 number, since 3×313001440031513 (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31300144003151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31300144003157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3042979886 + ... + 3042990171.

It is an arithmetic number, because the mean of its divisors is an integer number (4047170088570).

Almost surely, 231300144003151 is an apocalyptic number.

31300144003151 is a deficient number, since it is larger than the sum of its proper divisors (1077216705409).

31300144003151 is a wasteful number, since it uses less digits than its factorization.

31300144003151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6085970233.

The product of its (nonzero) digits is 2160, while the sum is 26.

Adding to 31300144003151 its reverse (15130044100313), we get a palindrome (46430188103464).

The spelling of 31300144003151 in words is "thirty-one trillion, three hundred billion, one hundred forty-four million, three thousand, one hundred fifty-one".

Divisors: 1 37 139 5143 6085970057 225180892109 845949837923 31300144003151