1531051130 has 16 divisors (see below), whose sum is σ = 3149591040. Its totient is φ = 524931792.

The previous prime is 1531051129. The next prime is 1531051133. The reversal of 1531051130 is 311501351.

It is not an unprimeable number, because it can be changed into a prime (1531051133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10936010 + ... + 10936149.

It is an arithmetic number, because the mean of its divisors is an integer number (196849440).

Almost surely, 2^1531051130 is an apocalyptic number.

1531051130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1531051130 is an abundant number, since it is smaller than the sum of its proper divisors (1618539910).

1531051130 is a wasteful number, since it uses less digits than its factorization.

1531051130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21872173.

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

The square root of 1531051130 is about 39128.6484560865. The cubic root of 1531051130 is about 1152.5591727609.

Adding to 1531051130 its reverse (311501351), we get a palindrome (1842552481).

The spelling of 1531051130 in words is "one billion, five hundred thirty-one million, fifty-one thousand, one hundred thirty".