31601142424044 has 24 divisors (see below), whose sum is σ = 81928887766320. Its totient is φ = 10533714141312.

The previous prime is 31601142424043. The next prime is 31601142424057. The reversal of 31601142424044 is 44042424110613.

31601142424044 is a `hidden beast` number, since 3 + 1 + 6 + 0 + 1 + 1 + 4 + 242 + 404 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (31601142424043) 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, 146301585189 + ... + 146301585404.

It is an arithmetic number, because the mean of its divisors is an integer number (3413703656930).

Almost surely, 2^{31601142424044} is an apocalyptic number.

It is an amenable number.

31601142424044 is an abundant number, since it is smaller than the sum of its proper divisors (50327745342276).

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

31601142424044 is a wasteful number, since it uses less digits than its factorization.

31601142424044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292603170606 (or 292603170598 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 36.

Adding to 31601142424044 its reverse (44042424110613), we get a palindrome (75643566534657).

The spelling of 31601142424044 in words is "thirty-one trillion, six hundred one billion, one hundred forty-two million, four hundred twenty-four thousand, forty-four".