31206530401 has 8 divisors (see below), whose sum is σ = 32227462400. Its totient is φ = 30186490320.

The previous prime is 31206530393. The next prime is 31206530413. The reversal of 31206530401 is 10403560213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31206530401 - 2³ = 31206530393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31206530701) 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 7 ways as a sum of consecutive naturals, for example, 151491 + ... + 292168.

It is an arithmetic number, because the mean of its divisors is an integer number (4028432800).

Almost surely, 2^31206530401 is an apocalyptic number.

31206530401 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

31206530401 is a deficient number, since it is larger than the sum of its proper divisors (1020931999).

31206530401 is a wasteful number, since it uses less digits than its factorization.

31206530401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445959.

The product of its (nonzero) digits is 2160, while the sum is 25.

The spelling of 31206530401 in words is "thirty-one billion, two hundred six million, five hundred thirty thousand, four hundred one".