531103045 has 16 divisors (see below), whose sum is σ = 701648640. Its totient is φ = 382708800.

The previous prime is 531103043. The next prime is 531103049. The reversal of 531103045 is 540301135.

It is a happy number.

It is not a de Polignac number, because 531103045 - 2¹ = 531103043 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531103043) 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, 38301 + ... + 50290.

It is an arithmetic number, because the mean of its divisors is an integer number (43853040).

Almost surely, 2^531103045 is an apocalyptic number.

531103045 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

531103045 is a deficient number, since it is larger than the sum of its proper divisors (170545595).

531103045 is a wasteful number, since it uses less digits than its factorization.

531103045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88716.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 531103045 is about 23045.6730211986. The cubic root of 531103045 is about 809.8282646634.

The spelling of 531103045 in words is "five hundred thirty-one million, one hundred three thousand, forty-five".