2013161241 has 32 divisors (see below), whose sum is σ = 3317932800. Its totient is φ = 1057296384.

The previous prime is 2013161239. The next prime is 2013161263. The reversal of 2013161241 is 1421613102.

It is not a de Polignac number, because 2013161241 - 2¹ = 2013161239 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (2013161741) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47785 + ... + 79433.

It is an arithmetic number, because the mean of its divisors is an integer number (103685400).

Almost surely, 2^2013161241 is an apocalyptic number.

2013161241 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2013161241 is a deficient number, since it is larger than the sum of its proper divisors (1304771559).

2013161241 is a wasteful number, since it uses less digits than its factorization.

2013161241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31905.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 2013161241 is about 44868.2654110898. The cubic root of 2013161241 is about 1262.6786971315.

Adding to 2013161241 its reverse (1421613102), we get a palindrome (3434774343).

The spelling of 2013161241 in words is "two billion, thirteen million, one hundred sixty-one thousand, two hundred forty-one".