35440331131 has 4 divisors (see below), whose sum is σ = 35462304432. Its totient is φ = 35418357832.

The previous prime is 35440331117. The next prime is 35440331141. The reversal of 35440331131 is 13113304453.

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

It is a cyclic number.

It is not a de Polignac number, because 35440331131 - 2⁵ = 35440331099 is a prime.

It is a super-2 number, since 2×35440331131² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 35440331131.

It is not an unprimeable number, because it can be changed into a prime (35440331141) 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, 10984231 + ... + 10987456.

It is an arithmetic number, because the mean of its divisors is an integer number (8865576108).

Almost surely, 2^35440331131 is an apocalyptic number.

35440331131 is a deficient number, since it is larger than the sum of its proper divisors (21973301).

35440331131 is a wasteful number, since it uses less digits than its factorization.

35440331131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21973300.

The product of its (nonzero) digits is 6480, while the sum is 28.

Adding to 35440331131 its reverse (13113304453), we get a palindrome (48553635584).

The spelling of 35440331131 in words is "thirty-five billion, four hundred forty million, three hundred thirty-one thousand, one hundred thirty-one".