31440310041 has 16 divisors (see below), whose sum is σ = 48812989824. Its totient is φ = 17626911744.

The previous prime is 31440310037. The next prime is 31440310103. The reversal of 31440310041 is 14001304413.

It is not a de Polignac number, because 31440310041 - 2² = 31440310037 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 (31440310441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14123016 + ... + 14125241.

It is an arithmetic number, because the mean of its divisors is an integer number (3050811864).

Almost surely, 2^31440310041 is an apocalyptic number.

It is an amenable number.

31440310041 is a deficient number, since it is larger than the sum of its proper divisors (17372679783).

31440310041 is a wasteful number, since it uses less digits than its factorization.

31440310041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28248320.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 31440310041 its reverse (14001304413), we get a palindrome (45441614454).

The spelling of 31440310041 in words is "thirty-one billion, four hundred forty million, three hundred ten thousand, forty-one".