21032232152131 has 32 divisors (see below), whose sum is σ = 21520970569728. Its totient is φ = 20549701159680.

The previous prime is 21032232152119. The next prime is 21032232152147. The reversal of 21032232152131 is 13125123223012.

It is a cyclic number.

It is not a de Polignac number, because 21032232152131 - 2¹⁵ = 21032232119363 is a prime.

It is a super-2 number, since 2×21032232152131² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 21032232152131.

It is not an unprimeable number, because it can be changed into a prime (21032232152171) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6457545855 + ... + 6457549111.

It is an arithmetic number, because the mean of its divisors is an integer number (672530330304).

Almost surely, 2^{21032232152131} is an apocalyptic number.

21032232152131 is a deficient number, since it is larger than the sum of its proper divisors (488738417597).

21032232152131 is a wasteful number, since it uses less digits than its factorization.

21032232152131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4971.

The product of its (nonzero) digits is 4320, while the sum is 28.

Adding to 21032232152131 its reverse (13125123223012), we get a palindrome (34157355375143).

The spelling of 21032232152131 in words is "twenty-one trillion, thirty-two billion, two hundred thirty-two million, one hundred fifty-two thousand, one hundred thirty-one".