31206500141 has 16 divisors (see below), whose sum is σ = 31834228608. Its totient is φ = 30584467200.

The previous prime is 31206500113. The next prime is 31206500147. The reversal of 31206500141 is 14100560213.

It is a cyclic number.

It is not a de Polignac number, because 31206500141 - 2¹⁴ = 31206483757 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31206500147) 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, 13679921 + ... + 13682201.

It is an arithmetic number, because the mean of its divisors is an integer number (1989639288).

Almost surely, 2^31206500141 is an apocalyptic number.

It is an amenable number.

31206500141 is a deficient number, since it is larger than the sum of its proper divisors (627728467).

31206500141 is a wasteful number, since it uses less digits than its factorization.

31206500141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3412.

The product of its (nonzero) digits is 720, while the sum is 23.

The spelling of 31206500141 in words is "thirty-one billion, two hundred six million, five hundred thousand, one hundred forty-one".