240020131 has 8 divisors (see below), whose sum is σ = 262025120. Its totient is φ = 218521152.

The previous prime is 240020129. The next prime is 240020219. The reversal of 240020131 is 131020042.

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 240020131 - 2¹ = 240020129 is a prime.

It is a super-2 number, since 2×240020131² = 115219326570514322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (240020101) 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, 125511 + ... + 127408.

It is an arithmetic number, because the mean of its divisors is an integer number (32753140).

Almost surely, 2^240020131 is an apocalyptic number.

240020131 is a deficient number, since it is larger than the sum of its proper divisors (22004989).

240020131 is a wasteful number, since it uses less digits than its factorization.

240020131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253005.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 240020131 is about 15492.5830964368. The cubic root of 240020131 is about 621.4638761765.

Adding to 240020131 its reverse (131020042), we get a palindrome (371040173).

The spelling of 240020131 in words is "two hundred forty million, twenty thousand, one hundred thirty-one".