1531214234 has 8 divisors (see below), whose sum is σ = 2505623328. Its totient is φ = 696006460.

The previous prime is 1531214231. The next prime is 1531214263. The reversal of 1531214234 is 4324121351.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1531214231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34800302 + ... + 34800345.

It is an arithmetic number, because the mean of its divisors is an integer number (313202916).

Almost surely, 2^1531214234 is an apocalyptic number.

1531214234 is a deficient number, since it is larger than the sum of its proper divisors (974409094).

1531214234 is a wasteful number, since it uses less digits than its factorization.

1531214234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69600660.

The product of its digits is 2880, while the sum is 26.

The square root of 1531214234 is about 39130.7326023932. The cubic root of 1531214234 is about 1152.6000989657.

Adding to 1531214234 its reverse (4324121351), we get a palindrome (5855335585).

The spelling of 1531214234 in words is "one billion, five hundred thirty-one million, two hundred fourteen thousand, two hundred thirty-four".