16031431429 has 6 divisors (see below), whose sum is σ = 17359479186. Its totient is φ = 14798244240.

The previous prime is 16031431397. The next prime is 16031431483. The reversal of 16031431429 is 92413413061.

It can be written as a sum of positive squares in 3 ways, for example, as 456890625 + 15574540804 = 21375^2 + 124798^2 .

It is not a de Polignac number, because 16031431429 - 2⁵ = 16031431397 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16031431394 and 16031431403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16031431529) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 47430102 + ... + 47430439.

It is an arithmetic number, because the mean of its divisors is an integer number (2893246531).

Almost surely, 2^16031431429 is an apocalyptic number.

It is an amenable number.

16031431429 is a deficient number, since it is larger than the sum of its proper divisors (1328047757).

16031431429 is an equidigital number, since it uses as much as digits as its factorization.

16031431429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94860567 (or 94860554 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 34.

The spelling of 16031431429 in words is "sixteen billion, thirty-one million, four hundred thirty-one thousand, four hundred twenty-nine".