31425252433042 has 16 divisors (see below), whose sum is σ = 50785171920000. Its totient is φ = 14497876202832.

The previous prime is 31425252433021. The next prime is 31425252433061. The reversal of 31425252433042 is 24033425252413.

It is a junction number, because it is equal to n+sod(n) for n = 31425252432986 and 31425252433004.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 253539292 + ... + 253663207.

It is an arithmetic number, because the mean of its divisors is an integer number (3174073245000).

Almost surely, 2^{31425252433042} is an apocalyptic number.

31425252433042 is a deficient number, since it is larger than the sum of its proper divisors (19359919486958).

31425252433042 is a wasteful number, since it uses less digits than its factorization.

31425252433042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507204897.

The product of its (nonzero) digits is 691200, while the sum is 40.

Adding to 31425252433042 its reverse (24033425252413), we get a palindrome (55458677685455).

The spelling of 31425252433042 in words is "thirty-one trillion, four hundred twenty-five billion, two hundred fifty-two million, four hundred thirty-three thousand, forty-two".