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1311112212433 = 30734912237031
BaseRepresentation
bin10011000101000100011…
…000001010111111010001
311122100012122221022222121
4103011010120022333101
5132440124211244213
62442152220534241
7163503403632232
oct23050430127721
94570178838877
101311112212433
11466048732931
121921289b1381
139683935017a
144765b309089
152418977c88d
hex1314460afd1

1311112212433 has 8 divisors (see below), whose sum is σ = 1319152049600. Its totient is φ = 1303096850640.

The previous prime is 1311112212409. The next prime is 1311112212539. The reversal of 1311112212433 is 3342122111131.

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 1311112212433 - 233 = 1302522277841 is a prime.

It is a super-2 number, since 2×13111122124332 (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 = 1311112212398 and 1311112212407.

It is not an unprimeable number, because it can be changed into a prime (1311112212133) 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, 6011373 + ... + 6225658.

It is an arithmetic number, because the mean of its divisors is an integer number (164894006200).

Almost surely, 21311112212433 is an apocalyptic number.

It is an amenable number.

1311112212433 is a deficient number, since it is larger than the sum of its proper divisors (8039837167).

1311112212433 is a wasteful number, since it uses less digits than its factorization.

1311112212433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12237687.

The product of its digits is 864, while the sum is 25.

Adding to 1311112212433 its reverse (3342122111131), we get a palindrome (4653234323564).

The spelling of 1311112212433 in words is "one trillion, three hundred eleven billion, one hundred twelve million, two hundred twelve thousand, four hundred thirty-three".

Divisors: 1 307 349 107143 12237031 3756768517 4270723819 1311112212433