31425442416044 has 24 divisors (see below), whose sum is σ = 58188915763440. Its totient is φ = 14808607709184.

The previous prime is 31425442416041. The next prime is 31425442416059. The reversal of 31425442416044 is 44061424452413.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 31425442415986 and 31425442416004.

It is not an unprimeable number, because it can be changed into a prime (31425442416041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1071209849 + ... + 1071239184.

It is an arithmetic number, because the mean of its divisors is an integer number (2424538156810).

Almost surely, 2^{31425442416044} is an apocalyptic number.

It is an amenable number.

31425442416044 is a deficient number, since it is larger than the sum of its proper divisors (26763473347396).

31425442416044 is a wasteful number, since it uses less digits than its factorization.

31425442416044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2142449249 (or 2142449247 counting only the distinct ones).

The product of its (nonzero) digits is 1474560, while the sum is 44.

Adding to 31425442416044 its reverse (44061424452413), we get a palindrome (75486866868457).

The spelling of 31425442416044 in words is "thirty-one trillion, four hundred twenty-five billion, four hundred forty-two million, four hundred sixteen thousand, forty-four".