31215142025341 has 16 divisors (see below), whose sum is σ = 31823856979200. Its totient is φ = 30612412230400.

The previous prime is 31215142025329. The next prime is 31215142025377. The reversal of 31215142025341 is 14352024151213.

It is a cyclic number.

It is not a de Polignac number, because 31215142025341 - 2¹⁹ = 31215141501053 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31215142025297 and 31215142025306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31215142025381) 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, 21098505 + ... + 22529473.

It is an arithmetic number, because the mean of its divisors is an integer number (1988991061200).

Almost surely, 2^{31215142025341} is an apocalyptic number.

It is an amenable number.

31215142025341 is a deficient number, since it is larger than the sum of its proper divisors (608714953859).

31215142025341 is a wasteful number, since it uses less digits than its factorization.

31215142025341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1433060.

The product of its (nonzero) digits is 28800, while the sum is 34.

Adding to 31215142025341 its reverse (14352024151213), we get a palindrome (45567166176554).

The spelling of 31215142025341 in words is "thirty-one trillion, two hundred fifteen billion, one hundred forty-two million, twenty-five thousand, three hundred forty-one".