531311105 has 16 divisors (see below), whose sum is σ = 696294144. Its totient is φ = 386823360.

The previous prime is 531311093. The next prime is 531311113. The reversal of 531311105 is 501113135.

It is not a de Polignac number, because 531311105 - 2¹² = 531307009 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52949 + ... + 62178.

It is an arithmetic number, because the mean of its divisors is an integer number (43518384).

Almost surely, 2^531311105 is an apocalyptic number.

It is an amenable number.

531311105 is a deficient number, since it is larger than the sum of its proper divisors (164983039).

531311105 is a wasteful number, since it uses less digits than its factorization.

531311105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115216.

The product of its (nonzero) digits is 225, while the sum is 20.

The square root of 531311105 is about 23050.1866586802. The cubic root of 531311105 is about 809.9340011256.

The spelling of 531311105 in words is "five hundred thirty-one million, three hundred eleven thousand, one hundred five".