31231404031141 has 8 divisors (see below), whose sum is σ = 31318244927424. Its totient is φ = 31144682178720.

The previous prime is 31231404031133. The next prime is 31231404031171. The reversal of 31231404031141 is 14113040413213.

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 31231404031141 - 2³ = 31231404031133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31231404031171) 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, 29235520 + ... + 30284953.

It is an arithmetic number, because the mean of its divisors is an integer number (3914780615928).

Almost surely, 2^{31231404031141} is an apocalyptic number.

It is an amenable number.

31231404031141 is a deficient number, since it is larger than the sum of its proper divisors (86840896283).

31231404031141 is an equidigital number, since it uses as much as digits as its factorization.

31231404031141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59521931.

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 31231404031141 its reverse (14113040413213), we get a palindrome (45344444444354).

The spelling of 31231404031141 in words is "thirty-one trillion, two hundred thirty-one billion, four hundred four million, thirty-one thousand, one hundred forty-one".