202104201031 has 2 divisors, whose sum is σ = 202104201032. Its totient is φ = 202104201030.

The previous prime is 202104201023. The next prime is 202104201041. The reversal of 202104201031 is 130102401202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 202104201031 - 2³ = 202104201023 is a prime.

It is a super-2 number, since 2×202104201031² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 202104200996 and 202104201014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202104201041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101052100515 + 101052100516.

It is an arithmetic number, because the mean of its divisors is an integer number (101052100516).

Almost surely, 2^202104201031 is an apocalyptic number.

202104201031 is a deficient number, since it is larger than the sum of its proper divisors (1).

202104201031 is an equidigital number, since it uses as much as digits as its factorization.

202104201031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 202104201031 its reverse (130102401202), we get a palindrome (332206602233).

The spelling of 202104201031 in words is "two hundred two billion, one hundred four million, two hundred one thousand, thirty-one".