202131244104 has 64 divisors (see below), whose sum is σ = 517732145280. Its totient is φ = 65723712000.

The previous prime is 202131244099. The next prime is 202131244109. The reversal of 202131244104 is 401442131202.

It is an interprime number because it is at equal distance from previous prime (202131244099) and next prime (202131244109).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (202131244109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9180549 + ... + 9202539.

It is an arithmetic number, because the mean of its divisors is an integer number (8089564770).

Almost surely, 2^202131244104 is an apocalyptic number.

202131244104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

202131244104 is an abundant number, since it is smaller than the sum of its proper divisors (315600901176).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

202131244104 is a wasteful number, since it uses less digits than its factorization.

202131244104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31382 (or 31378 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 202131244104 its reverse (401442131202), we get a palindrome (603573375306).

It can be divided in two parts, 20213 and 1244104, that multiplied together give a palindrome (25147074152).

The spelling of 202131244104 in words is "two hundred two billion, one hundred thirty-one million, two hundred forty-four thousand, one hundred four".