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1322312232031 = 7285333316243
BaseRepresentation
bin10011001111011111111…
…100110110110001011111
311200102010012202021112021
4103033133330312301133
5133131043412411111
62451243432121011
7164351062343500
oct23173774666137
94612105667467
101322312232031
1146a87586737a
12194333836167
139790283a9bb
14480009a4ba7
15245e2b7bd71
hex133dff36c5f

1322312232031 has 12 divisors (see below), whose sum is σ = 1538222833272. Its totient is φ = 1133393618448.

The previous prime is 1322312232019. The next prime is 1322312232077. The reversal of 1322312232031 is 1302322132231.

It is not a de Polignac number, because 1322312232031 - 217 = 1322312100959 is a prime.

It is a super-2 number, since 2×13223122320312 (a number of 25 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 = 1322312231987 and 1322312232005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1322312232431) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4023196 + ... + 4339438.

It is an arithmetic number, because the mean of its divisors is an integer number (128185236106).

Almost surely, 21322312232031 is an apocalyptic number.

1322312232031 is a deficient number, since it is larger than the sum of its proper divisors (215910601241).

1322312232031 is an equidigital number, since it uses as much as digits as its factorization.

1322312232031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401590 (or 401583 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 1322312232031 its reverse (1302322132231), we get a palindrome (2624634364262).

The spelling of 1322312232031 in words is "one trillion, three hundred twenty-two billion, three hundred twelve million, two hundred thirty-two thousand, thirty-one".

Divisors: 1 7 49 85333 316243 597331 2213701 4181317 15495907 26985963919 188901747433 1322312232031