1531050212 has 6 divisors (see below), whose sum is σ = 2679337878. Its totient is φ = 765525104.

The previous prime is 1531050193. The next prime is 1531050247. The reversal of 1531050212 is 2120501351.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1462756516 + 68293696 = 38246^2 + 8264^2 .

It is a super-2 number, since 2×1531050212² = 4688229503330489888, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 191381273 + ... + 191381280.

It is an arithmetic number, because the mean of its divisors is an integer number (446556313).

Almost surely, 2^1531050212 is an apocalyptic number.

It is an amenable number.

1531050212 is a deficient number, since it is larger than the sum of its proper divisors (1148287666).

1531050212 is a wasteful number, since it uses less digits than its factorization.

1531050212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382762557 (or 382762555 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 1531050212 is about 39128.6367255492. The cubic root of 1531050212 is about 1152.5589424073.

Adding to 1531050212 its reverse (2120501351), we get a palindrome (3651551563).

The spelling of 1531050212 in words is "one billion, five hundred thirty-one million, fifty thousand, two hundred twelve".