31115412330044 has 24 divisors (see below), whose sum is σ = 62231794987488. Its totient is φ = 13334968785600.

The previous prime is 31115412329923. The next prime is 31115412330047. The reversal of 31115412330044 is 44003321451113.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31115412330047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6829007 + ... + 10433894.

It is an arithmetic number, because the mean of its divisors is an integer number (2592991457812).

Almost surely, 2^{31115412330044} is an apocalyptic number.

It is an amenable number.

31115412330044 is an abundant number, since it is smaller than the sum of its proper divisors (31116382657444).

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

31115412330044 is a wasteful number, since it uses less digits than its factorization.

31115412330044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17327285 (or 17327283 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

Adding to 31115412330044 its reverse (44003321451113), we get a palindrome (75118733781157).

The spelling of 31115412330044 in words is "thirty-one trillion, one hundred fifteen billion, four hundred twelve million, three hundred thirty thousand, forty-four".