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10231101031 = 179197290137
BaseRepresentation
bin10011000011101001…
…00011011001100111
3222102000121210010211
421201310203121213
5131423130213111
64411120000251
7511351631614
oct114164433147
928360553124
1010231101031
11438020a6a8
121b96460087
13c70843948
146d0b1d50b
153ed30c521
hex261d23667

10231101031 has 8 divisors (see below), whose sum is σ = 10340518320. Its totient is φ = 10122264768.

The previous prime is 10231101029. The next prime is 10231101061. The reversal of 10231101031 is 13010113201.

10231101031 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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 10231101031 - 21 = 10231101029 is a prime.

It is a super-2 number, since 2×102311010312 (a number of 21 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 (10231101011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109806 + ... + 180331.

It is an arithmetic number, because the mean of its divisors is an integer number (1292564790).

Almost surely, 210231101031 is an apocalyptic number.

10231101031 is a deficient number, since it is larger than the sum of its proper divisors (109417289).

10231101031 is a wasteful number, since it uses less digits than its factorization.

10231101031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290513.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 10231101031 its reverse (13010113201), we get a palindrome (23241214232).

The spelling of 10231101031 in words is "ten billion, two hundred thirty-one million, one hundred one thousand, thirty-one".

Divisors: 1 179 197 35263 290137 51934523 57156989 10231101031