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1245313244031 = 343107110981353
BaseRepresentation
bin10010000111110010011…
…101000001101101111111
311102001101000120102001220
4102013302131001231333
5130400400142302111
62352031120404423
7155654010631143
oct22076235015577
94361330512056
101245313244031
11440152951aaa
12181424a76713
1390581382c3c
14443b8617223
15225d7da1e06
hex121f2741b7f

1245313244031 has 32 divisors (see below), whose sum is σ = 1716478283520. Its totient is φ = 802588894464.

The previous prime is 1245313244003. The next prime is 1245313244081. The reversal of 1245313244031 is 1304423135421.

It is not a de Polignac number, because 1245313244031 - 219 = 1245312719743 is a prime.

It is a super-2 number, since 2×12453132440312 (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1245313243983 and 1245313244001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1245313244081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15266851 + ... + 15348203.

It is an arithmetic number, because the mean of its divisors is an integer number (53639946360).

Almost surely, 21245313244031 is an apocalyptic number.

1245313244031 is a deficient number, since it is larger than the sum of its proper divisors (471165039489).

1245313244031 is a wasteful number, since it uses less digits than its factorization.

1245313244031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82615.

The product of its (nonzero) digits is 34560, while the sum is 33.

Adding to 1245313244031 its reverse (1304423135421), we get a palindrome (2549736379452).

The spelling of 1245313244031 in words is "one trillion, two hundred forty-five billion, three hundred thirteen million, two hundred forty-four thousand, thirty-one".

Divisors: 1 3 43 107 129 321 1109 3327 4601 13803 47687 81353 118663 143061 244059 355989 3498179 5102509 8704771 10494537 15307527 26114313 90220477 270661431 374305153 1122915459 3879480511 9653591039 11638441533 28960773117 415104414677 1245313244031