202131142551 has 64 divisors (see below), whose sum is σ = 325465620480. Its totient is φ = 123243120000.

The previous prime is 202131142481. The next prime is 202131142583. The reversal of 202131142551 is 155241131202.

It is a happy number.

202131142551 is a `hidden beast` number, since 20 + 21 + 31 + 1 + 42 + 551 = 666.

It is not a de Polignac number, because 202131142551 - 2¹¹ = 202131140503 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202131142151) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 32229546 + ... + 32235816.

It is an arithmetic number, because the mean of its divisors is an integer number (5085400320).

Almost surely, 2^202131142551 is an apocalyptic number.

202131142551 is a deficient number, since it is larger than the sum of its proper divisors (123334477929).

202131142551 is a wasteful number, since it uses less digits than its factorization.

202131142551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7125 (or 7119 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

Adding to 202131142551 its reverse (155241131202), we get a palindrome (357372273753).

The spelling of 202131142551 in words is "two hundred two billion, one hundred thirty-one million, one hundred forty-two thousand, five hundred fifty-one".