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1310200141 = 4131956101
BaseRepresentation
bin100111000011000…
…0001000101001101
310101022101001201011
41032012001011031
510140402401031
6334002045221
744316342325
oct11606010515
93338331634
101310200141
11612634838
12306949811
1317b599973
14c6018285
157a0576b1
hex4e18114d

1310200141 has 4 divisors (see below), whose sum is σ = 1342156284. Its totient is φ = 1278244000.

The previous prime is 1310200139. The next prime is 1310200147. The reversal of 1310200141 is 1410020131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1410020131 = 13108463087.

It can be written as a sum of positive squares in 2 ways, for example, as 596776041 + 713424100 = 24429^2 + 26710^2 .

It is a cyclic number.

It is not a de Polignac number, because 1310200141 - 21 = 1310200139 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 (1310200147) 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, 15978010 + ... + 15978091.

It is an arithmetic number, because the mean of its divisors is an integer number (335539071).

Almost surely, 21310200141 is an apocalyptic number.

It is an amenable number.

1310200141 is a deficient number, since it is larger than the sum of its proper divisors (31956143).

1310200141 is an equidigital number, since it uses as much as digits as its factorization.

1310200141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31956142.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 1310200141 is about 36196.6868787739. The cubic root of 1310200141 is about 1094.2399014563.

Adding to 1310200141 its reverse (1410020131), we get a palindrome (2720220272).

The spelling of 1310200141 in words is "one billion, three hundred ten million, two hundred thousand, one hundred forty-one".

Divisors: 1 41 31956101 1310200141