31440201141 has 32 divisors (see below), whose sum is σ = 44041863168. Its totient is φ = 19912273920.

The previous prime is 31440201061. The next prime is 31440201161. The reversal of 31440201141 is 14110204413.

It is not a de Polignac number, because 31440201141 - 2⁹ = 31440200629 is a prime.

It is a super-3 number, since 3×31440201141³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31440201161) 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, 6505596 + ... + 6510426.

It is an arithmetic number, because the mean of its divisors is an integer number (1376308224).

Almost surely, 2^31440201141 is an apocalyptic number.

It is an amenable number.

31440201141 is a deficient number, since it is larger than the sum of its proper divisors (12601662027).

31440201141 is a wasteful number, since it uses less digits than its factorization.

31440201141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5481.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 31440201141 its reverse (14110204413), we get a palindrome (45550405554).

The spelling of 31440201141 in words is "thirty-one billion, four hundred forty million, two hundred one thousand, one hundred forty-one".