1531601114 has 16 divisors (see below), whose sum is σ = 2315312640. Its totient is φ = 759851040.

The previous prime is 1531601087. The next prime is 1531601143. The reversal of 1531601114 is 4111061351.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1531601114.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151337 + ... + 161139.

It is an arithmetic number, because the mean of its divisors is an integer number (144707040).

Almost surely, 2^1531601114 is an apocalyptic number.

1531601114 is a deficient number, since it is larger than the sum of its proper divisors (783711526).

1531601114 is a wasteful number, since it uses less digits than its factorization.

1531601114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10405.

The product of its (nonzero) digits is 360, while the sum is 23.

The square root of 1531601114 is about 39135.6757192207. The cubic root of 1531601114 is about 1152.6971636277.

Adding to 1531601114 its reverse (4111061351), we get a palindrome (5642662465).

The spelling of 1531601114 in words is "one billion, five hundred thirty-one million, six hundred one thousand, one hundred fourteen".