Search a number
-
+
31110302331301 = 269115651681529
BaseRepresentation
bin1110001001011011011101…
…00001001111000110100101
311002011010010110102011220211
413010231232201033012211
513034202344344100201
6150055513043255421
76360434202445114
oct704555641170645
9132133113364824
1031110302331301
119a04894693036
1235a547537a571
1314488c573a93b
14797a64bd5c7b
1538e3b4e57651
hex1c4b6e84f1a5

31110302331301 has 4 divisors (see below), whose sum is σ = 31225954013100. Its totient is φ = 30994650649504.

The previous prime is 31110302331287. The next prime is 31110302331323. The reversal of 31110302331301 is 10313320301113.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10646033506276 + 20464268825025 = 3262826^2 + 4523745^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-31110302331301 is a prime.

It is a super-2 number, since 2×311103023313012 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31110302331401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57825840496 + ... + 57825841033.

It is an arithmetic number, because the mean of its divisors is an integer number (7806488503275).

Almost surely, 231110302331301 is an apocalyptic number.

It is an amenable number.

31110302331301 is a deficient number, since it is larger than the sum of its proper divisors (115651681799).

31110302331301 is a wasteful number, since it uses less digits than its factorization.

31110302331301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115651681798.

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

Adding to 31110302331301 its reverse (10313320301113), we get a palindrome (41423622632414).

The spelling of 31110302331301 in words is "thirty-one trillion, one hundred ten billion, three hundred two million, three hundred thirty-one thousand, three hundred one".

Divisors: 1 269 115651681529 31110302331301