203540532034 has 32 divisors (see below), whose sum is σ = 366287155200. Its totient is φ = 82986912720.

The previous prime is 203540532029. The next prime is 203540532037. The reversal of 203540532034 is 430235045302.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a junction number, because it is equal to n+sod(n) for n = 203540531987 and 203540532005.

It is not an unprimeable number, because it can be changed into a prime (203540532037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3948864 + ... + 4000075.

It is an arithmetic number, because the mean of its divisors is an integer number (11446473600).

Almost surely, 2^203540532034 is an apocalyptic number.

203540532034 is a deficient number, since it is larger than the sum of its proper divisors (162746623166).

203540532034 is a wasteful number, since it uses less digits than its factorization.

203540532034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7949038.

The product of its (nonzero) digits is 43200, while the sum is 31.

Adding to 203540532034 its reverse (430235045302), we get a palindrome (633775577336).

The spelling of 203540532034 in words is "two hundred three billion, five hundred forty million, five hundred thirty-two thousand, thirty-four".