31111054504036 has 48 divisors (see below), whose sum is σ = 60527860761088. Its totient is φ = 13894809984000.

The previous prime is 31111054504007. The next prime is 31111054504063. The reversal of 31111054504036 is 63040545011113.

It is a junction number, because it is equal to n+sod(n) for n = 31111054503992 and 31111054504010.

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, 23290036 + ... + 24589588.

Almost surely, 2^{31111054504036} is an apocalyptic number.

It is an amenable number.

31111054504036 is a deficient number, since it is larger than the sum of its proper divisors (29416806257052).

31111054504036 is a wasteful number, since it uses less digits than its factorization.

31111054504036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1314452 (or 1314450 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 34.

Adding to 31111054504036 its reverse (63040545011113), we get a palindrome (94151599515149).

The spelling of 31111054504036 in words is "thirty-one trillion, one hundred eleven billion, fifty-four million, five hundred four thousand, thirty-six".