103132532421 has 40 divisors (see below), whose sum is σ = 155713583520. Its totient is φ = 68021970912.

The previous prime is 103132532407. The next prime is 103132532509. The reversal of 103132532421 is 124235231301.

103132532421 is a `hidden beast` number, since 1 + 0 + 313 + 2 + 5 + 324 + 21 = 666.

It is not a de Polignac number, because 103132532421 - 2⁵ = 103132532389 is a prime.

It is a super-2 number, since 2×103132532421² (a number of 23 digits) contains 22 as substring.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103132532521) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2838250 + ... + 2874356.

It is an arithmetic number, because the mean of its divisors is an integer number (3892839588).

Almost surely, 2^103132532421 is an apocalyptic number.

It is an amenable number.

103132532421 is a deficient number, since it is larger than the sum of its proper divisors (52581051099).

103132532421 is a wasteful number, since it uses less digits than its factorization.

103132532421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36495 (or 36486 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 103132532421 its reverse (124235231301), we get a palindrome (227367763722).

The spelling of 103132532421 in words is "one hundred three billion, one hundred thirty-two million, five hundred thirty-two thousand, four hundred twenty-one".