31425222949169 has 16 divisors (see below), whose sum is σ = 36415976584320. Its totient is φ = 26560020009600.

The previous prime is 31425222949163. The next prime is 31425222949171. The reversal of 31425222949169 is 96194922252413.

It is not a de Polignac number, because 31425222949169 - 2⁸ = 31425222948913 is a prime.

It is a super-2 number, since 2×31425222949169² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31425222949163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6016754 + ... + 9952475.

It is an arithmetic number, because the mean of its divisors is an integer number (2275998536520).

Almost surely, 2^{31425222949169} is an apocalyptic number.

It is an amenable number.

31425222949169 is a deficient number, since it is larger than the sum of its proper divisors (4990753635151).

31425222949169 is a wasteful number, since it uses less digits than its factorization.

31425222949169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15973160.

The product of its digits is 16796160, while the sum is 59.

The spelling of 31425222949169 in words is "thirty-one trillion, four hundred twenty-five billion, two hundred twenty-two million, nine hundred forty-nine thousand, one hundred sixty-nine".