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3152440031 = 13242495387
BaseRepresentation
bin1011101111100110…
…0110101011011111
322010200212112202012
42323321212223133
522424011040111
61240451421435
7141056204156
oct27371465337
98120775665
103152440031
111378519944
1273b8b487b
133b3158c40
1421c96859d
15136b5648b
hexbbe66adf

3152440031 has 4 divisors (see below), whose sum is σ = 3394935432. Its totient is φ = 2909944632.

The previous prime is 3152440019. The next prime is 3152440061. The reversal of 3152440031 is 1300442513.

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 3152440031 - 214 = 3152423647 is a prime.

It is a super-2 number, since 2×31524400312 = 19875756298102561922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3152439979 and 3152440006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3152440061) 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, 121247681 + ... + 121247706.

It is an arithmetic number, because the mean of its divisors is an integer number (848733858).

Almost surely, 23152440031 is an apocalyptic number.

3152440031 is a deficient number, since it is larger than the sum of its proper divisors (242495401).

3152440031 is a wasteful number, since it uses less digits than its factorization.

3152440031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242495400.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 3152440031 is about 56146.5941175420. The cubic root of 3152440031 is about 1466.2756122090.

Adding to 3152440031 its reverse (1300442513), we get a palindrome (4452882544).

The spelling of 3152440031 in words is "three billion, one hundred fifty-two million, four hundred forty thousand, thirty-one".

Divisors: 1 13 242495387 3152440031