1531053212 has 48 divisors (see below), whose sum is σ = 3044146560. Its totient is φ = 667942848.

The previous prime is 1531053197. The next prime is 1531053221. The reversal of 1531053212 is 2123501351.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 515243 + ... + 518205.

It is an arithmetic number, because the mean of its divisors is an integer number (63419720).

Almost surely, 2^1531053212 is an apocalyptic number.

It is an amenable number.

1531053212 is a deficient number, since it is larger than the sum of its proper divisors (1513093348).

1531053212 is a wasteful number, since it uses less digits than its factorization.

1531053212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3522 (or 3520 counting only the distinct ones).

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

The square root of 1531053212 is about 39128.6750606253. The cubic root of 1531053212 is about 1152.5596951966.

Adding to 1531053212 its reverse (2123501351), we get a palindrome (3654554563).

The spelling of 1531053212 in words is "one billion, five hundred thirty-one million, fifty-three thousand, two hundred twelve".