31141211123421 has 96 divisors (see below), whose sum is σ = 55006323457280. Its totient is φ = 16580273356800.

The previous prime is 31141211123413. The next prime is 31141211123443. The reversal of 31141211123421 is 12432111214113.

31141211123421 is a `hidden beast` number, since 3 + 1 + 1 + 4 + 1 + 211 + 1 + 23 + 421 = 666.

It is not a de Polignac number, because 31141211123421 - 2³ = 31141211123413 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 (31141211123221) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 977024541 + ... + 977056413.

Almost surely, 2^{31141211123421} is an apocalyptic number.

It is an amenable number.

31141211123421 is a deficient number, since it is larger than the sum of its proper divisors (23865112333859).

31141211123421 is a wasteful number, since it uses less digits than its factorization.

31141211123421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45347 (or 45344 counting only the distinct ones).

The product of its digits is 1152, while the sum is 27.

Adding to 31141211123421 its reverse (12432111214113), we get a palindrome (43573322337534).

The spelling of 31141211123421 in words is "thirty-one trillion, one hundred forty-one billion, two hundred eleven million, one hundred twenty-three thousand, four hundred twenty-one".