31113454036 has 48 divisors (see below), whose sum is σ = 63354525696. Its totient is φ = 13094635104.

The previous prime is 31113453997. The next prime is 31113454039. The reversal of 31113454036 is 63045431113.

It is a junction number, because it is equal to n+sod(n) for n = 31113453989 and 31113454007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31113454039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 348025 + ... + 428191.

It is an arithmetic number, because the mean of its divisors is an integer number (1319885952).

Almost surely, 2^31113454036 is an apocalyptic number.

It is an amenable number.

31113454036 is an abundant number, since it is smaller than the sum of its proper divisors (32241071660).

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

31113454036 is a wasteful number, since it uses less digits than its factorization.

31113454036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80428 (or 80426 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

Adding to 31113454036 its reverse (63045431113), we get a palindrome (94158885149).

The spelling of 31113454036 in words is "thirty-one billion, one hundred thirteen million, four hundred fifty-four thousand, thirty-six".