1531455130 has 16 divisors (see below), whose sum is σ = 2773128960. Its totient is φ = 608913232.

The previous prime is 1531455103. The next prime is 1531455131. The reversal of 1531455130 is 315541351.

It is not an unprimeable number, because it can be changed into a prime (1531455131) 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, 456850 + ... + 460189.

It is an arithmetic number, because the mean of its divisors is an integer number (173320560).

Almost surely, 2^1531455130 is an apocalyptic number.

1531455130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1531455130 is a deficient number, since it is larger than the sum of its proper divisors (1241673830).

1531455130 is a wasteful number, since it uses less digits than its factorization.

1531455130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 917213.

The product of its (nonzero) digits is 4500, while the sum is 28.

The square root of 1531455130 is about 39133.8105734670. The cubic root of 1531455130 is about 1152.6605394945.

Adding to 1531455130 its reverse (315541351), we get a palindrome (1846996481).

The spelling of 1531455130 in words is "one billion, five hundred thirty-one million, four hundred fifty-five thousand, one hundred thirty".