1531130054 has 4 divisors (see below), whose sum is σ = 2296695084. Its totient is φ = 765565026.

The previous prime is 1531130009. The next prime is 1531130057. The reversal of 1531130054 is 4500311351.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1531130057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 382782512 + ... + 382782515.

It is an arithmetic number, because the mean of its divisors is an integer number (574173771).

Almost surely, 2^1531130054 is an apocalyptic number.

1531130054 is a deficient number, since it is larger than the sum of its proper divisors (765565030).

1531130054 is an equidigital number, since it uses as much as digits as its factorization.

1531130054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 765565029.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 1531130054 is about 39129.6569624626. The cubic root of 1531130054 is about 1152.5789768061.

The spelling of 1531130054 in words is "one billion, five hundred thirty-one million, one hundred thirty thousand, fifty-four".