1061016431 has 8 divisors (see below), whose sum is σ = 1066089600. Its totient is φ = 1055952160.

The previous prime is 1061016421. The next prime is 1061016433. The reversal of 1061016431 is 1346101601.

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 1061016431 - 2⁶ = 1061016367 is a prime.

It is a super-3 number, since 3×1061016431³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1061016397 and 1061016406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1061016433) 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, 385721 + ... + 388461.

It is an arithmetic number, because the mean of its divisors is an integer number (133261200).

Almost surely, 2^1061016431 is an apocalyptic number.

1061016431 is a deficient number, since it is larger than the sum of its proper divisors (5073169).

1061016431 is a wasteful number, since it uses less digits than its factorization.

1061016431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4449.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 1061016431 is about 32573.2471669620. The cubic root of 1061016431 is about 1019.9386195923.

The spelling of 1061016431 in words is "one billion, sixty-one million, sixteen thousand, four hundred thirty-one".