203430106451 has 32 divisors (see below), whose sum is σ = 252802432512. Its totient is φ = 161051362560.

The previous prime is 203430106409. The next prime is 203430106463. The reversal of 203430106451 is 154601034302.

It is not a de Polignac number, because 203430106451 - 2¹⁰ = 203430105427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203430106651) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 183545 + ... + 663738.

It is an arithmetic number, because the mean of its divisors is an integer number (7900076016).

Almost surely, 2^203430106451 is an apocalyptic number.

203430106451 is a deficient number, since it is larger than the sum of its proper divisors (49372326061).

203430106451 is a wasteful number, since it uses less digits than its factorization.

203430106451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 847403.

The product of its (nonzero) digits is 8640, while the sum is 29.

The spelling of 203430106451 in words is "two hundred three billion, four hundred thirty million, one hundred six thousand, four hundred fifty-one".