31424420004 has 24 divisors (see below), whose sum is σ = 73557916320. Its totient is φ = 10441339584.

The previous prime is 31424420003. The next prime is 31424420057. The reversal of 31424420004 is 40002442413.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (31424420003) 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, 4179474 + ... + 4186985.

It is an arithmetic number, because the mean of its divisors is an integer number (3064913180).

Almost surely, 2^31424420004 is an apocalyptic number.

It is an amenable number.

31424420004 is an abundant number, since it is smaller than the sum of its proper divisors (42133496316).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31424420004 is a wasteful number, since it uses less digits than its factorization.

31424420004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8366779 (or 8366777 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 31424420004 its reverse (40002442413), we get a palindrome (71426862417).

The spelling of 31424420004 in words is "thirty-one billion, four hundred twenty-four million, four hundred twenty thousand, four".