232135401531 has 8 divisors (see below), whose sum is σ = 337651493184. Its totient is φ = 140688122120.

The previous prime is 232135401521. The next prime is 232135401539. The reversal of 232135401531 is 135104531232.

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

It is a cyclic number.

It is not a de Polignac number, because 232135401531 - 2⁹ = 232135401019 is a prime.

It is a super-2 number, since 2×232135401531² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (232135401539) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3517203021 + ... + 3517203086.

It is an arithmetic number, because the mean of its divisors is an integer number (42206436648).

Almost surely, 2^232135401531 is an apocalyptic number.

232135401531 is a deficient number, since it is larger than the sum of its proper divisors (105516091653).

232135401531 is a wasteful number, since it uses less digits than its factorization.

232135401531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7034406121.

The product of its (nonzero) digits is 10800, while the sum is 30.

Adding to 232135401531 its reverse (135104531232), we get a palindrome (367239932763).

The spelling of 232135401531 in words is "two hundred thirty-two billion, one hundred thirty-five million, four hundred one thousand, five hundred thirty-one".