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1031113133111 = 19130649415381
BaseRepresentation
bin11110000000100110010…
…00011100110000110111
310122120111001021100102102
433000103020130300313
5113343204430224421
62105404204532315
7134331642006635
oct17002310346067
93576431240372
101031113133111
11368324534346
12147a0585109b
137630615c289
1437c9864c355
151bc4ce6c60b
hexf01321cc37

1031113133111 has 8 divisors (see below), whose sum is σ = 1085393166000. Its totient is φ = 976834192320.

The previous prime is 1031113133023. The next prime is 1031113133119. The reversal of 1031113133111 is 1113313111301.

It is a happy number.

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 1031113133111 - 226 = 1031046024247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031113133119) 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, 2274641 + ... + 2690021.

It is an arithmetic number, because the mean of its divisors is an integer number (135674145750).

Almost surely, 21031113133111 is an apocalyptic number.

1031113133111 is a deficient number, since it is larger than the sum of its proper divisors (54280032889).

1031113133111 is a wasteful number, since it uses less digits than its factorization.

1031113133111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546049.

The product of its (nonzero) digits is 81, while the sum is 20.

Adding to 1031113133111 its reverse (1113313111301), we get a palindrome (2144426244412).

The spelling of 1031113133111 in words is "one trillion, thirty-one billion, one hundred thirteen million, one hundred thirty-three thousand, one hundred eleven".

Divisors: 1 19 130649 415381 2482331 7892239 54269112269 1031113133111