31303141411231 has 16 divisors (see below), whose sum is σ = 32352990658560. Its totient is φ = 30255801791040.

The previous prime is 31303141411207. The next prime is 31303141411327. The reversal of 31303141411231 is 13211414130313.

It is a cyclic number.

It is not a de Polignac number, because 31303141411231 - 2⁷ = 31303141411103 is a prime.

It is a super-2 number, since 2×31303141411231² (a number of 28 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 31303141411231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31303141411331) 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, 452853090 + ... + 452922208.

It is an arithmetic number, because the mean of its divisors is an integer number (2022061916160).

Almost surely, 2^{31303141411231} is an apocalyptic number.

31303141411231 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

31303141411231 is a deficient number, since it is larger than the sum of its proper divisors (1049849247329).

31303141411231 is a wasteful number, since it uses less digits than its factorization.

31303141411231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87054.

The product of its (nonzero) digits is 2592, while the sum is 28.

Adding to 31303141411231 its reverse (13211414130313), we get a palindrome (44514555541544).

The spelling of 31303141411231 in words is "thirty-one trillion, three hundred three billion, one hundred forty-one million, four hundred eleven thousand, two hundred thirty-one".