3146031431 has 8 divisors (see below), whose sum is σ = 3202212480. Its totient is φ = 3090121848.

The previous prime is 3146031401. The next prime is 3146031439. The reversal of 3146031431 is 1341306413.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3146031431 is a prime.

It is a super-2 number, since 2×3146031431² = 19795027529679815522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3146031431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3146031439) 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, 44411 + ... + 90908.

It is an arithmetic number, because the mean of its divisors is an integer number (400276560).

Almost surely, 2^3146031431 is an apocalyptic number.

3146031431 is a deficient number, since it is larger than the sum of its proper divisors (56181049).

3146031431 is a wasteful number, since it uses less digits than its factorization.

3146031431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135733.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 3146031431 is about 56089.4948363773. The cubic root of 3146031431 is about 1465.2813401986.

Adding to 3146031431 its reverse (1341306413), we get a palindrome (4487337844).

The spelling of 3146031431 in words is "three billion, one hundred forty-six million, thirty-one thousand, four hundred thirty-one".