101234532431 has 4 divisors (see below), whose sum is σ = 101257128864. Its totient is φ = 101211936000.

The previous prime is 101234532409. The next prime is 101234532433. The reversal of 101234532431 is 134235432101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 101234532431 - 2³⁴ = 84054663247 is a prime.

It is a super-2 number, since 2×101234532431² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101234532394 and 101234532403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101234532433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11291495 + ... + 11300456.

It is an arithmetic number, because the mean of its divisors is an integer number (25314282216).

Almost surely, 2^101234532431 is an apocalyptic number.

101234532431 is a deficient number, since it is larger than the sum of its proper divisors (22596433).

101234532431 is an equidigital number, since it uses as much as digits as its factorization.

101234532431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22596432.

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 101234532431 its reverse (134235432101), we get a palindrome (235469964532).

The spelling of 101234532431 in words is "one hundred one billion, two hundred thirty-four million, five hundred thirty-two thousand, four hundred thirty-one".