31425013043 has 16 divisors (see below), whose sum is σ = 33754081536. Its totient is φ = 29151974400.

The previous prime is 31425013013. The next prime is 31425013057. The reversal of 31425013043 is 34031052413.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31425013043 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31425013013) 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, 341855 + ... + 423927.

It is an arithmetic number, because the mean of its divisors is an integer number (2109630096).

Almost surely, 2^31425013043 is an apocalyptic number.

31425013043 is a deficient number, since it is larger than the sum of its proper divisors (2329068493).

31425013043 is a wasteful number, since it uses less digits than its factorization.

31425013043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82414.

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 31425013043 its reverse (34031052413), we get a palindrome (65456065456).

The spelling of 31425013043 in words is "thirty-one billion, four hundred twenty-five million, thirteen thousand, forty-three".