10203551434 has 8 divisors (see below), whose sum is σ = 15305814468. Its totient is φ = 5101613280.

The previous prime is 10203551431. The next prime is 10203551443. The reversal of 10203551434 is 43415530201.

It can be written as a sum of positive squares in 2 ways, for example, as 7343975809 + 2859575625 = 85697^2 + 53475^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×10203551434² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10203551431) 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, 25174 + ... + 145054.

Almost surely, 2^10203551434 is an apocalyptic number.

10203551434 is a deficient number, since it is larger than the sum of its proper divisors (5102263034).

10203551434 is a wasteful number, since it uses less digits than its factorization.

10203551434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162440.

The product of its (nonzero) digits is 7200, while the sum is 28.

The spelling of 10203551434 in words is "ten billion, two hundred three million, five hundred fifty-one thousand, four hundred thirty-four".