31340341444231 has 4 divisors (see below), whose sum is σ = 31340653330000. Its totient is φ = 31340029558464.

The previous prime is 31340341444211. The next prime is 31340341444261. The reversal of 31340341444231 is 13244414304313.

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 31340341444231 - 2²³ = 31340333055623 is a prime.

It is a super-2 number, since 2×31340341444231² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31340341444211) 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, 155792106 + ... + 155993143.

It is an arithmetic number, because the mean of its divisors is an integer number (7835163332500).

Almost surely, 2^{31340341444231} is an apocalyptic number.

31340341444231 is a deficient number, since it is larger than the sum of its proper divisors (311885769).

31340341444231 is a wasteful number, since it uses less digits than its factorization.

31340341444231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311885768.

The product of its (nonzero) digits is 165888, while the sum is 37.

Adding to 31340341444231 its reverse (13244414304313), we get a palindrome (44584755748544).

The spelling of 31340341444231 in words is "thirty-one trillion, three hundred forty billion, three hundred forty-one million, four hundred forty-four thousand, two hundred thirty-one".