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1131130403431 = 71031568835511
BaseRepresentation
bin10000011101011100101…
…000000011101001100111
311000010122102102010002121
4100131130220003221213
5122013023340402211
62223344550050411
7144502315535140
oct20353450035147
94003572363077
101131130403431
113a6789695936
12163279349a07
1382885407832
143ca65ac6ac7
151e653969271
hex1075ca03a67

1131130403431 has 8 divisors (see below), whose sum is σ = 1305271145984. Its totient is φ = 960127332120.

The previous prime is 1131130403423. The next prime is 1131130403441. The reversal of 1131130403431 is 1343040311311.

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 1131130403431 - 23 = 1131130403423 is a prime.

It is a super-2 number, since 2×11311304034312 (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 = 1131130403396 and 1131130403405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131130403441) 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, 784417035 + ... + 784418476.

It is an arithmetic number, because the mean of its divisors is an integer number (163158893248).

Almost surely, 21131130403431 is an apocalyptic number.

1131130403431 is a deficient number, since it is larger than the sum of its proper divisors (174140742553).

1131130403431 is a wasteful number, since it uses less digits than its factorization.

1131130403431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1568835621.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 1131130403431 its reverse (1343040311311), we get a palindrome (2474170714742).

The spelling of 1131130403431 in words is "one trillion, one hundred thirty-one billion, one hundred thirty million, four hundred three thousand, four hundred thirty-one".

Divisors: 1 7 103 721 1568835511 10981848577 161590057633 1131130403431