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3212144031 = 31181906617
BaseRepresentation
bin1011111101110101…
…0110110110011111
322021212012211020110
42333131112312133
523034302102111
61250423221103
7142412526255
oct27735266637
98255184213
103212144031
1113a9198398
127578a7793
133c2631255
1422686a5d5
1513beeb5a6
hexbf756d9f

3212144031 has 8 divisors (see below), whose sum is σ = 4286489904. Its totient is φ = 2139613760.

The previous prime is 3212144003. The next prime is 3212144041. The reversal of 3212144031 is 1304412123.

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 3212144031 - 218 = 3211881887 is a prime.

It is a super-2 number, since 2×32121440312 = 20635738551777857922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3212143989 and 3212144007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3212144041) 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 7 ways as a sum of consecutive naturals, for example, 449766 + ... + 456851.

It is an arithmetic number, because the mean of its divisors is an integer number (535811238).

Almost surely, 23212144031 is an apocalyptic number.

3212144031 is a deficient number, since it is larger than the sum of its proper divisors (1074345873).

3212144031 is a wasteful number, since it uses less digits than its factorization.

3212144031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 907801.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 3212144031 is about 56675.7799328779. The cubic root of 3212144031 is about 1475.4743709884.

Adding to 3212144031 its reverse (1304412123), we get a palindrome (4516556154).

The spelling of 3212144031 in words is "three billion, two hundred twelve million, one hundred forty-four thousand, thirty-one".

Divisors: 1 3 1181 3543 906617 2719851 1070714677 3212144031