31101144124 has 12 divisors (see below), whose sum is σ = 55349494200. Its totient is φ = 15287002928.

The previous prime is 31101144119. The next prime is 31101144197. The reversal of 31101144124 is 42144110113.

It is a junction number, because it is equal to n+sod(n) for n = 31101144095 and 31101144104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65892019 + ... + 65892490.

It is an arithmetic number, because the mean of its divisors is an integer number (4612457850).

Almost surely, 2^31101144124 is an apocalyptic number.

It is an amenable number.

31101144124 is a deficient number, since it is larger than the sum of its proper divisors (24248350076).

31101144124 is a wasteful number, since it uses less digits than its factorization.

31101144124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131784572 (or 131784570 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 31101144124 its reverse (42144110113), we get a palindrome (73245254237).

The spelling of 31101144124 in words is "thirty-one billion, one hundred one million, one hundred forty-four thousand, one hundred twenty-four".