202102010031 has 8 divisors (see below), whose sum is σ = 269477683840. Its totient is φ = 134730504792.

The previous prime is 202102009979. The next prime is 202102010053. The reversal of 202102010031 is 130010201202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 202102010031 - 2¹¹ = 202102007983 is a prime.

It is a super-2 number, since 2×202102010031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202102009989 and 202102010016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202102018031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 927205 + ... + 1124238.

It is an arithmetic number, because the mean of its divisors is an integer number (33684710480).

Almost surely, 2^202102010031 is an apocalyptic number.

202102010031 is a deficient number, since it is larger than the sum of its proper divisors (67375673809).

202102010031 is a wasteful number, since it uses less digits than its factorization.

202102010031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2084285.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 202102010031 its reverse (130010201202), we get a palindrome (332112211233).

The spelling of 202102010031 in words is "two hundred two billion, one hundred two million, ten thousand, thirty-one".