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312132022123 = 2511580378691
BaseRepresentation
bin1001000101011001000…
…01001010111101101011
31002211200000110121101211
410202230201022331223
520103221244201443
6355220320253551
731356631261255
oct4425441127553
91084600417354
10312132022123
11110413431069
12505b04712b7
132358443941c
14111704c8cd5
1581bc80c19d
hex48ac84af6b

312132022123 has 8 divisors (see below), whose sum is σ = 313399388736. Its totient is φ = 310864845000.

The previous prime is 312132022121. The next prime is 312132022127. The reversal of 312132022123 is 321220231213.

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 312132022123 - 21 = 312132022121 is a prime.

It is a super-2 number, since 2×3121320221232 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 312132022094 and 312132022103.

It is not an unprimeable number, because it can be changed into a prime (312132022121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3927208 + ... + 4005898.

It is an arithmetic number, because the mean of its divisors is an integer number (39174923592).

Almost surely, 2312132022123 is an apocalyptic number.

312132022123 is a deficient number, since it is larger than the sum of its proper divisors (1267366613).

312132022123 is a wasteful number, since it uses less digits than its factorization.

312132022123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94745.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 312132022123 its reverse (321220231213), we get a palindrome (633352253336).

The spelling of 312132022123 in words is "three hundred twelve billion, one hundred thirty-two million, twenty-two thousand, one hundred twenty-three".

Divisors: 1 251 15803 78691 3966553 19751441 1243553873 312132022123