203112365343045 has 32 divisors (see below), whose sum is σ = 325991309059584. Its totient is φ = 107989479681600.

The previous prime is 203112365343007. The next prime is 203112365343073. The reversal of 203112365343045 is 540343563211302.

It is not a de Polignac number, because 203112365343045 - 2²¹ = 203112363245893 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 203112365342988 and 203112365343006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52770910 + ... + 56488880.

It is an arithmetic number, because the mean of its divisors is an integer number (10187228408112).

Almost surely, 2^{203112365343045} is an apocalyptic number.

It is an amenable number.

203112365343045 is a deficient number, since it is larger than the sum of its proper divisors (122878943716539).

203112365343045 is a wasteful number, since it uses less digits than its factorization.

203112365343045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3729313.

The product of its (nonzero) digits is 777600, while the sum is 42.

The spelling of 203112365343045 in words is "two hundred three trillion, one hundred twelve billion, three hundred sixty-five million, three hundred forty-three thousand, forty-five".