31415454022141 has 4 divisors (see below), whose sum is σ = 35903376025312. Its totient is φ = 26927532018972.

The previous prime is 31415454022123. The next prime is 31415454022171. The reversal of 31415454022141 is 14122045451413.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 31415454022141 - 2¹³ = 31415454013949 is a prime.

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 31415454022141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31415454022171) 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, 2243961001575 + ... + 2243961001588.

It is an arithmetic number, because the mean of its divisors is an integer number (8975844006328).

Almost surely, 2^{31415454022141} is an apocalyptic number.

It is an amenable number.

31415454022141 is a deficient number, since it is larger than the sum of its proper divisors (4487922003171).

31415454022141 is an equidigital number, since it uses as much as digits as its factorization.

31415454022141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4487922003170.

The product of its (nonzero) digits is 76800, while the sum is 37.

Adding to 31415454022141 its reverse (14122045451413), we get a palindrome (45537499473554).

The spelling of 31415454022141 in words is "thirty-one trillion, four hundred fifteen billion, four hundred fifty-four million, twenty-two thousand, one hundred forty-one".