204154031 has 4 divisors (see below), whose sum is σ = 214899000. Its totient is φ = 193409064.

The previous prime is 204154019. The next prime is 204154033. The reversal of 204154031 is 130451402.

204154031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-204154031 is a prime.

It is a super-2 number, since 2×204154031² = 83357736747097922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 204153994 and 204154012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204154033) 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, 5372456 + ... + 5372493.

It is an arithmetic number, because the mean of its divisors is an integer number (53724750).

Almost surely, 2^204154031 is an apocalyptic number.

204154031 is a deficient number, since it is larger than the sum of its proper divisors (10744969).

204154031 is a wasteful number, since it uses less digits than its factorization.

204154031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10744968.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 204154031 is about 14288.2480031668. The cubic root of 204154031 is about 588.8246552554.

The spelling of 204154031 in words is "two hundred four million, one hundred fifty-four thousand, thirty-one".