1031552101 has 2 divisors, whose sum is σ = 1031552102. Its totient is φ = 1031552100.

The previous prime is 1031552083. The next prime is 1031552141. The reversal of 1031552101 is 1012551301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1002672225 + 28879876 = 31665^2 + 5374^2 .

It is an emirp because it is prime and its reverse (1012551301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1031552101 - 2¹¹ = 1031550053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1031552141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515776050 + 515776051.

It is an arithmetic number, because the mean of its divisors is an integer number (515776051).

Almost surely, 2^1031552101 is an apocalyptic number.

It is an amenable number.

1031552101 is a deficient number, since it is larger than the sum of its proper divisors (1).

1031552101 is an equidigital number, since it uses as much as digits as its factorization.

1031552101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 150, while the sum is 19.

The square root of 1031552101 is about 32117.7848084204. The cubic root of 1031552101 is about 1010.4086510913.

The spelling of 1031552101 in words is "one billion, thirty-one million, five hundred fifty-two thousand, one hundred one".