203012231010 has 16 divisors (see below), whose sum is σ = 487229354496. Its totient is φ = 54136594928.

The previous prime is 203012230999. The next prime is 203012231053. The reversal of 203012231010 is 10132210302.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3383537154 + ... + 3383537213.

It is an arithmetic number, because the mean of its divisors is an integer number (30451834656).

Almost surely, 2^203012231010 is an apocalyptic number.

203012231010 is an abundant number, since it is smaller than the sum of its proper divisors (284217123486).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

203012231010 is a wasteful number, since it uses less digits than its factorization.

203012231010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6767074377.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 203012231010 its reverse (10132210302), we get a palindrome (213144441312).

The spelling of 203012231010 in words is "two hundred three billion, twelve million, two hundred thirty-one thousand, ten".