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3142123431 = 33493001073
BaseRepresentation
bin1011101101001000…
…1111111110100111
322002222110102000220
42323102033332213
522413340422211
61235442335423
7140602415466
oct27322177647
98088412026
103142123431
111372712927
1273835a573
133b0c86245
1421b4409dd
15135cb9806
hexbb48ffa7

3142123431 has 8 divisors (see below), whose sum is σ = 4201503600. Its totient is φ = 2088746112.

The previous prime is 3142123409. The next prime is 3142123441. The reversal of 3142123431 is 1343212413.

It is a happy number.

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

It is not a de Polignac number, because 3142123431 - 26 = 3142123367 is a prime.

It is a super-2 number, since 2×31421234312 = 19745879311278423522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3142123441) 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, 1499490 + ... + 1501583.

It is an arithmetic number, because the mean of its divisors is an integer number (525187950).

Almost surely, 23142123431 is an apocalyptic number.

3142123431 is a deficient number, since it is larger than the sum of its proper divisors (1059380169).

3142123431 is a wasteful number, since it uses less digits than its factorization.

3142123431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3001425.

The product of its digits is 1728, while the sum is 24.

The square root of 3142123431 is about 56054.6468278947. The cubic root of 3142123431 is about 1464.6743646784.

Adding to 3142123431 its reverse (1343212413), we get a palindrome (4485335844).

The spelling of 3142123431 in words is "three billion, one hundred forty-two million, one hundred twenty-three thousand, four hundred thirty-one".

Divisors: 1 3 349 1047 3001073 9003219 1047374477 3142123431