202134331031 has 4 divisors (see below), whose sum is σ = 202169314200. Its totient is φ = 202099347864.

The previous prime is 202134330989. The next prime is 202134331081. The reversal of 202134331031 is 130133431202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 202134331031 - 2³⁴ = 184954461847 is a prime.

It is a super-2 number, since 2×202134331031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202134330988 and 202134331006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202134331081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17482916 + ... + 17494473.

It is an arithmetic number, because the mean of its divisors is an integer number (50542328550).

Almost surely, 2^202134331031 is an apocalyptic number.

202134331031 is a deficient number, since it is larger than the sum of its proper divisors (34983169).

202134331031 is an equidigital number, since it uses as much as digits as its factorization.

202134331031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34983168.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 202134331031 its reverse (130133431202), we get a palindrome (332267762233).

The spelling of 202134331031 in words is "two hundred two billion, one hundred thirty-four million, three hundred thirty-one thousand, thirty-one".