1031206151 has 2 divisors, whose sum is σ = 1031206152. Its totient is φ = 1031206150.

The previous prime is 1031206147. The next prime is 1031206217. The reversal of 1031206151 is 1516021301.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1031206151 - 2² = 1031206147 is a prime.

It is a super-2 number, since 2×1031206151² = 2126772251720469602, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1031206651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515603075 + 515603076.

It is an arithmetic number, because the mean of its divisors is an integer number (515603076).

Almost surely, 2^1031206151 is an apocalyptic number.

1031206151 is a deficient number, since it is larger than the sum of its proper divisors (1).

1031206151 is an equidigital number, since it uses as much as digits as its factorization.

1031206151 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 1031206151 is about 32112.3987114012. The cubic root of 1031206151 is about 1010.2956854105.

Adding to 1031206151 its reverse (1516021301), we get a palindrome (2547227452).

The spelling of 1031206151 in words is "one billion, thirty-one million, two hundred six thousand, one hundred fifty-one".