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3103431213 = 37529137399
BaseRepresentation
bin1011100011111010…
…1001101000101101
322000021122122021210
42320332221220231
522323434244323
61231541145033
7136622505261
oct27076515055
98007578253
103103431213
111352895893
127273bb179
133a5c59a3c
1421624c0a1
151326c5293
hexb8fa9a2d

3103431213 has 8 divisors (see below), whose sum is σ = 4138488000. Its totient is φ = 2068664288.

The previous prime is 3103431187. The next prime is 3103431263. The reversal of 3103431213 is 3121343013.

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 3103431213 - 213 = 3103423021 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3103431213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3103431263) 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, 46113 + ... + 91286.

It is an arithmetic number, because the mean of its divisors is an integer number (517311000).

Almost surely, 23103431213 is an apocalyptic number.

It is an amenable number.

3103431213 is a deficient number, since it is larger than the sum of its proper divisors (1035056787).

3103431213 is a wasteful number, since it uses less digits than its factorization.

3103431213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144931.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 3103431213 is about 55708.4483090312. The cubic root of 3103431213 is about 1458.6374999170.

Adding to 3103431213 its reverse (3121343013), we get a palindrome (6224774226).

The spelling of 3103431213 in words is "three billion, one hundred three million, four hundred thirty-one thousand, two hundred thirteen".

Divisors: 1 3 7529 22587 137399 412197 1034477071 3103431213