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1312320233310 = 23543744007777
BaseRepresentation
bin10011000110001100011…
…000011001111101011110
311122110022212001011002120
4103012030120121331132
5133000112434431220
62442512133003410
7163545342635052
oct23061430317536
94573285034076
101312320233310
11466608617899
12192405483566
139699c6c2418
1447733925c62
152420a84ea40
hex1318c619f5e

1312320233310 has 16 divisors (see below), whose sum is σ = 3149568560016. Its totient is φ = 349952062208.

The previous prime is 1312320233261. The next prime is 1312320233339. The reversal of 1312320233310 is 133320232131.

It is a super-2 number, since 2×13123202333102 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21872003859 + ... + 21872003918.

It is an arithmetic number, because the mean of its divisors is an integer number (196848035001).

Almost surely, 21312320233310 is an apocalyptic number.

1312320233310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1312320233310 is an abundant number, since it is smaller than the sum of its proper divisors (1837248326706).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1312320233310 is a wasteful number, since it uses less digits than its factorization.

1312320233310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43744007787.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 1312320233310 its reverse (133320232131), we get a palindrome (1445640465441).

The spelling of 1312320233310 in words is "one trillion, three hundred twelve billion, three hundred twenty million, two hundred thirty-three thousand, three hundred ten".

Divisors: 1 2 3 5 6 10 15 30 43744007777 87488015554 131232023331 218720038885 262464046662 437440077770 656160116655 1312320233310