31411051431321 has 32 divisors (see below), whose sum is σ = 44186489303040. Its totient is φ = 19822806936000.

The previous prime is 31411051431311. The next prime is 31411051431373. The reversal of 31411051431321 is 12313415011413.

It is a happy number.

It is not a de Polignac number, because 31411051431321 - 2⁵ = 31411051431289 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (31411051431311) 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, 19365511 + ... + 20924748.

It is an arithmetic number, because the mean of its divisors is an integer number (1380827790720).

Almost surely, 2^{31411051431321} is an apocalyptic number.

31411051431321 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

31411051431321 is a deficient number, since it is larger than the sum of its proper divisors (12775437871719).

31411051431321 is a wasteful number, since it uses less digits than its factorization.

31411051431321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40290477.

The product of its (nonzero) digits is 4320, while the sum is 30.

Adding to 31411051431321 its reverse (12313415011413), we get a palindrome (43724466442734).

The spelling of 31411051431321 in words is "thirty-one trillion, four hundred eleven billion, fifty-one million, four hundred thirty-one thousand, three hundred twenty-one".