1020131000237 has 2 divisors, whose sum is σ = 1020131000238. Its totient is φ = 1020131000236.

The previous prime is 1020131000201. The next prime is 1020131000387. The reversal of 1020131000237 is 7320001310201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 886862926756 + 133268073481 = 941734^2 + 365059^2 .

It is a cyclic number.

It is not a de Polignac number, because 1020131000237 - 2¹⁰ = 1020130999213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1020191000237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510065500118 + 510065500119.

It is an arithmetic number, because the mean of its divisors is an integer number (510065500119).

Almost surely, 2^{1020131000237} is an apocalyptic number.

It is an amenable number.

1020131000237 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020131000237 is an equidigital number, since it uses as much as digits as its factorization.

1020131000237 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252, while the sum is 20.

Adding to 1020131000237 its reverse (7320001310201), we get a palindrome (8340132310438).

The spelling of 1020131000237 in words is "one trillion, twenty billion, one hundred thirty-one million, two hundred thirty-seven", and thus it is an aban number.