201031212131 has 8 divisors (see below), whose sum is σ = 203113181040. Its totient is φ = 198949436928.

The previous prime is 201031212121. The next prime is 201031212139. The reversal of 201031212131 is 131212130102.

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 201031212131 - 2²² = 201027017827 is a prime.

It is a super-2 number, since 2×201031212131² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (201031212139) 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, 3072500 + ... + 3137246.

It is an arithmetic number, because the mean of its divisors is an integer number (25389147630).

Almost surely, 2^201031212131 is an apocalyptic number.

201031212131 is a deficient number, since it is larger than the sum of its proper divisors (2081968909).

201031212131 is an equidigital number, since it uses as much as digits as its factorization.

201031212131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96853.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 201031212131 its reverse (131212130102), we get a palindrome (332243342233).

The spelling of 201031212131 in words is "two hundred one billion, thirty-one million, two hundred twelve thousand, one hundred thirty-one".