31331130230201 has 8 divisors (see below), whose sum is σ = 33229309896384. Its totient is φ = 29477613615120.

The previous prime is 31331130230159. The next prime is 31331130230221. The reversal of 31331130230201 is 10203203113313.

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 31331130230201 - 2¹⁰ = 31331130229177 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (31331130230221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11165761331 + ... + 11165764136.

It is an arithmetic number, because the mean of its divisors is an integer number (4153663737048).

Almost surely, 2^{31331130230201} is an apocalyptic number.

It is an amenable number.

31331130230201 is a deficient number, since it is larger than the sum of its proper divisors (1898179666183).

31331130230201 is a wasteful number, since it uses less digits than its factorization.

31331130230201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22331525551.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 31331130230201 its reverse (10203203113313), we get a palindrome (41534333343514).

The spelling of 31331130230201 in words is "thirty-one trillion, three hundred thirty-one billion, one hundred thirty million, two hundred thirty thousand, two hundred one".