202031134 has 4 divisors (see below), whose sum is σ = 303046704. Its totient is φ = 101015566.

The previous prime is 202031131. The next prime is 202031143. The reversal of 202031134 is 431130202.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202031131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50507782 + ... + 50507785.

It is an arithmetic number, because the mean of its divisors is an integer number (75761676).

Almost surely, 2^202031134 is an apocalyptic number.

202031134 is a deficient number, since it is larger than the sum of its proper divisors (101015570).

202031134 is a wasteful number, since it uses less digits than its factorization.

202031134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101015569.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 202031134 is about 14213.7656516491. The cubic root of 202031134 is about 586.7765741197.

Adding to 202031134 its reverse (431130202), we get a palindrome (633161336).

The spelling of 202031134 in words is "two hundred two million, thirty-one thousand, one hundred thirty-four".