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10231032031 = 112859132531
BaseRepresentation
bin10011000011101000…
…10010100011011111
3222102000111021111021
421201310102203133
5131423121011111
64411114305011
7511351223503
oct114164224337
928360437437
1010231032031
114380172880
121b96428167
13c7081b40c
146d0b02303
153ed2e6d71
hex261d128df

10231032031 has 8 divisors (see below), whose sum is σ = 11161859328. Its totient is φ = 9300327000.

The previous prime is 10231031983. The next prime is 10231032037. The reversal of 10231032031 is 13023013201.

10231032031 is digitally balanced in base 2, because in such base 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 10231032031 - 221 = 10228934879 is a prime.

It is a super-2 number, since 2×102310320312 (a number of 21 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 = 10231031996 and 10231032014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10231032037) 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, 298236 + ... + 330766.

It is an arithmetic number, because the mean of its divisors is an integer number (1395232416).

Almost surely, 210231032031 is an apocalyptic number.

10231032031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10231032031 is a deficient number, since it is larger than the sum of its proper divisors (930827297).

10231032031 is a wasteful number, since it uses less digits than its factorization.

10231032031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61133.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 10231032031 its reverse (13023013201), we get a palindrome (23254045232).

The spelling of 10231032031 in words is "ten billion, two hundred thirty-one million, thirty-two thousand, thirty-one".

Divisors: 1 11 28591 32531 314501 357841 930093821 10231032031