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1302111321031 = 23311826243087
BaseRepresentation
bin10010111100101011111…
…000011111101111000111
311121110222101011200012101
4102330223320133233013
5132313210444233111
62434103124332531
7163034350416313
oct22745370375707
94543871150171
101302111321031
11462249992a04
12190436544147
1395a3364a221
1447045b40b43
1523d0e476bc1
hex12f2be1fbc7

1302111321031 has 8 divisors (see below), whose sum is σ = 1402554691584. Its totient is φ = 1205320436760.

The previous prime is 1302111321023. The next prime is 1302111321037. The reversal of 1302111321031 is 1301231112031.

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 1302111321031 - 23 = 1302111321023 is a prime.

It is a super-2 number, since 2×13021113210312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1302111321037) 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, 913120831 + ... + 913122256.

It is an arithmetic number, because the mean of its divisors is an integer number (175319336448).

Almost surely, 21302111321031 is an apocalyptic number.

1302111321031 is a deficient number, since it is larger than the sum of its proper divisors (100443370553).

1302111321031 is a wasteful number, since it uses less digits than its factorization.

1302111321031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1826243141.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 1302111321031 its reverse (1301231112031), we get a palindrome (2603342433062).

The spelling of 1302111321031 in words is "one trillion, three hundred two billion, one hundred eleven million, three hundred twenty-one thousand, thirty-one".

Divisors: 1 23 31 713 1826243087 42003591001 56613535697 1302111321031