31230242043044 has 48 divisors (see below), whose sum is σ = 61799900641920. Its totient is φ = 13678813424640.

The previous prime is 31230242043023. The next prime is 31230242043053. The reversal of 31230242043044 is 44034024203213.

It is a super-2 number, since 2×31230242043044² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 31230242043044.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23687309 + ... + 24970964.

It is an arithmetic number, because the mean of its divisors is an integer number (1287497930040).

Almost surely, 2^{31230242043044} is an apocalyptic number.

It is an amenable number.

31230242043044 is a deficient number, since it is larger than the sum of its proper divisors (30569658598876).

31230242043044 is a wasteful number, since it uses less digits than its factorization.

31230242043044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48658820 (or 48658818 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 31230242043044 its reverse (44034024203213), we get a palindrome (75264266246257).

The spelling of 31230242043044 in words is "thirty-one trillion, two hundred thirty billion, two hundred forty-two million, forty-three thousand, forty-four".