3145445331 has 32 divisors (see below), whose sum is σ = 4830798336. Its totient is φ = 1783296000.

The previous prime is 3145445321. The next prime is 3145445341. The reversal of 3145445331 is 1335445413.

It is an interprime number because it is at equal distance from previous prime (3145445321) and next prime (3145445341).

It is not a de Polignac number, because 3145445331 - 2²¹ = 3143348179 is a prime.

It is a super-2 number, since 2×3145445331² = 19787652660619399122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3145445292 and 3145445301.

It is not an unprimeable number, because it can be changed into a prime (3145445311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2435796 + ... + 2437086.

It is an arithmetic number, because the mean of its divisors is an integer number (150962448).

Almost surely, 2^3145445331 is an apocalyptic number.

3145445331 is a deficient number, since it is larger than the sum of its proper divisors (1685353005).

3145445331 is a wasteful number, since it uses less digits than its factorization.

3145445331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2123.

The product of its digits is 43200, while the sum is 33.

The square root of 3145445331 is about 56084.2699069891. The cubic root of 3145445331 is about 1465.1903414542.

The spelling of 3145445331 in words is "three billion, one hundred forty-five million, four hundred forty-five thousand, three hundred thirty-one".