31231202311201 has 8 divisors (see below), whose sum is σ = 32238884081664. Its totient is φ = 30223534517760.

The previous prime is 31231202311103. The next prime is 31231202311207. The reversal of 31231202311201 is 10211320213213.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31231202311201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31231202311207) 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, 1144545 + ... + 7985761.

It is an arithmetic number, because the mean of its divisors is an integer number (4029860510208).

Almost surely, 2^{31231202311201} is an apocalyptic number.

31231202311201 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

31231202311201 is a deficient number, since it is larger than the sum of its proper divisors (1007681770463).

31231202311201 is a wasteful number, since it uses less digits than its factorization.

31231202311201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6988511.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 31231202311201 its reverse (10211320213213), we get a palindrome (41442522524414).

The spelling of 31231202311201 in words is "thirty-one trillion, two hundred thirty-one billion, two hundred two million, three hundred eleven thousand, two hundred one".