31749150054 has 32 divisors (see below), whose sum is σ = 67850339040. Its totient is φ = 9869133312.

The previous prime is 31749150053. The next prime is 31749150109. The reversal of 31749150054 is 45005194713.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 31749149994 and 31749150021.

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 polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1416709 + ... + 1438944.

It is an arithmetic number, because the mean of its divisors is an integer number (2120323095).

Almost surely, 2^31749150054 is an apocalyptic number.

31749150054 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

31749150054 is an abundant number, since it is smaller than the sum of its proper divisors (36101188986).

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

31749150054 is a wasteful number, since it uses less digits than its factorization.

31749150054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2855784.

The product of its (nonzero) digits is 75600, while the sum is 39.

The spelling of 31749150054 in words is "thirty-one billion, seven hundred forty-nine million, one hundred fifty thousand, fifty-four".