35440131 has 4 divisors (see below), whose sum is σ = 47253512. Its totient is φ = 23626752.

The previous prime is 35440129. The next prime is 35440133. The reversal of 35440131 is 13104453.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13104453 = 3 ⋅4368151.

It is an interprime number because it is at equal distance from previous prime (35440129) and next prime (35440133).

It is not a de Polignac number, because 35440131 - 2¹ = 35440129 is a prime.

It is a super-2 number, since 2×35440131² = 2512005770594322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 35440098 and 35440107.

It is not an unprimeable number, because it can be changed into a prime (35440133) 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, 5906686 + ... + 5906691.

It is an arithmetic number, because the mean of its divisors is an integer number (11813378).

Almost surely, 2^35440131 is an apocalyptic number.

35440131 is a deficient number, since it is larger than the sum of its proper divisors (11813381).

35440131 is a wasteful number, since it uses less digits than its factorization.

35440131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11813380.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 35440131 is about 5953.1614290224. The cubic root of 35440131 is about 328.4720640487.

Adding to 35440131 its reverse (13104453), we get a palindrome (48544584).

The spelling of 35440131 in words is "thirty-five million, four hundred forty thousand, one hundred thirty-one".