31773611040 has 96 divisors (see below), whose sum is σ = 103538191680. Its totient is φ = 8180788224.

The previous prime is 31773611017. The next prime is 31773611047. The reversal of 31773611040 is 4011637713.

It is a tau number, because it is divible by the number of its divisors (96).

It is a junction number, because it is equal to n+sod(n) for n = 31773610992 and 31773611010.

It is not an unprimeable number, because it can be changed into a prime (31773611047) 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, 1127374 + ... + 1155213.

It is an arithmetic number, because the mean of its divisors is an integer number (1078522830).

Almost surely, 2^31773611040 is an apocalyptic number.

31773611040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

31773611040 is an abundant number, since it is smaller than the sum of its proper divisors (71764580640).

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

31773611040 is a wasteful number, since it uses less digits than its factorization.

31773611040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2282634 (or 2282626 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 33.

The spelling of 31773611040 in words is "thirty-one billion, seven hundred seventy-three million, six hundred eleven thousand, forty".