31749150055 has 16 divisors (see below), whose sum is σ = 43665056064. Its totient is φ = 21709163520.

The previous prime is 31749150053. The next prime is 31749150109. The reversal of 31749150055 is 55005194713.

It is not a de Polignac number, because 31749150055 - 2¹ = 31749150053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31749150053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1272516 + ... + 1297225.

It is an arithmetic number, because the mean of its divisors is an integer number (2729066004).

Almost surely, 2^31749150055 is an apocalyptic number.

31749150055 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

31749150055 is a deficient number, since it is larger than the sum of its proper divisors (11915906009).

31749150055 is a wasteful number, since it uses less digits than its factorization.

31749150055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2570106.

The product of its (nonzero) digits is 94500, while the sum is 40.

The spelling of 31749150055 in words is "thirty-one billion, seven hundred forty-nine million, one hundred fifty thousand, fifty-five".