203451034 has 4 divisors (see below), whose sum is σ = 305176554. Its totient is φ = 101725516.

The previous prime is 203451029. The next prime is 203451041. The reversal of 203451034 is 430154302.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 430154302 = 2 ⋅215077151.

It can be written as a sum of positive squares in only one way, i.e., 195916009 + 7535025 = 13997^2 + 2745^2 .

It is a junction number, because it is equal to n+sod(n) for n = 203450996 and 203451014.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50862757 + ... + 50862760.

Almost surely, 2^203451034 is an apocalyptic number.

203451034 is a deficient number, since it is larger than the sum of its proper divisors (101725520).

203451034 is a wasteful number, since it uses less digits than its factorization.

203451034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101725519.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 203451034 is about 14263.6262570217. The cubic root of 203451034 is about 588.1480125483.

The spelling of 203451034 in words is "two hundred three million, four hundred fifty-one thousand, thirty-four".