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3131104224630 = 235104370140821
BaseRepresentation
bin101101100100000100010…
…110101110010101110110
3102002022221000222221111110
4231210010112232111312
5402300000140142010
610354224234015450
7442133452531164
oct55440426562566
912068830887443
103131104224630
11aa7991786148
124269b4577586
13199353404295
14ab790cc0234
15566a94c5120
hex2d9045ae576

3131104224630 has 16 divisors (see below), whose sum is σ = 7514650139184. Its totient is φ = 834961126560.

The previous prime is 3131104224623. The next prime is 3131104224641. The reversal of 3131104224630 is 364224011313.

3131104224630 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 104370140821 = 3131104224630 / (3 + 1 + 3 + 1 + 1 + 0 + 4 + 2 + 2 + 4 + 6 + 3 + 0).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52185070381 + ... + 52185070440.

It is an arithmetic number, because the mean of its divisors is an integer number (469665633699).

Almost surely, 23131104224630 is an apocalyptic number.

3131104224630 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3131104224630 is an abundant number, since it is smaller than the sum of its proper divisors (4383545914554).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3131104224630 is a wasteful number, since it uses less digits than its factorization.

3131104224630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104370140831.

The product of its (nonzero) digits is 10368, while the sum is 30.

Adding to 3131104224630 its reverse (364224011313), we get a palindrome (3495328235943).

The spelling of 3131104224630 in words is "three trillion, one hundred thirty-one billion, one hundred four million, two hundred twenty-four thousand, six hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 104370140821 208740281642 313110422463 521850704105 626220844926 1043701408210 1565552112315 3131104224630