101032432431 has 16 divisors (see below), whose sum is σ = 156563577600. Its totient is φ = 56754295488.

The previous prime is 101032432427. The next prime is 101032432447. The reversal of 101032432431 is 134234230101.

It is a happy number.

It is not a de Polignac number, because 101032432431 - 2² = 101032432427 is a prime.

It is a super-2 number, since 2×101032432431² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101032432421) 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, 40770526 + ... + 40773003.

It is an arithmetic number, because the mean of its divisors is an integer number (9785223600).

Almost surely, 2^101032432431 is an apocalyptic number.

101032432431 is a deficient number, since it is larger than the sum of its proper divisors (55531145169).

101032432431 is an equidigital number, since it uses as much as digits as its factorization.

101032432431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81543598.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 101032432431 its reverse (134234230101), we get a palindrome (235266662532).

The spelling of 101032432431 in words is "one hundred one billion, thirty-two million, four hundred thirty-two thousand, four hundred thirty-one".