1010200120031 has 2 divisors, whose sum is σ = 1010200120032. Its totient is φ = 1010200120030.

The previous prime is 1010200120003. The next prime is 1010200120037. The reversal of 1010200120031 is 1300210020101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1010200120031 - 2²² = 1010195925727 is a prime.

It is a super-2 number, since 2×1010200120031² (a number of 25 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 1010200119994 and 1010200120021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1010200120037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505100060015 + 505100060016.

It is an arithmetic number, because the mean of its divisors is an integer number (505100060016).

Almost surely, 2^{1010200120031} is an apocalyptic number.

1010200120031 is a deficient number, since it is larger than the sum of its proper divisors (1).

1010200120031 is an equidigital number, since it uses as much as digits as its factorization.

1010200120031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 1010200120031 its reverse (1300210020101), we get a palindrome (2310410140132).

The spelling of 1010200120031 in words is "one trillion, ten billion, two hundred million, one hundred twenty thousand, thirty-one".