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102010122031 = 2315672830391
BaseRepresentation
bin101111100000001000…
…1101110111100101111
3100202022021001010021211
41133000101232330233
53132404042401111
6114510210535251
710240622505406
oct1370021567457
9322267033254
10102010122031
113a298066584
121792ab97527
1398090bc06c
144d19dd263d
1529c094b521
hex17c046ef2f

102010122031 has 8 divisors (see below), whose sum is σ = 106513311744. Its totient is φ = 97512596280.

The previous prime is 102010122013. The next prime is 102010122043. The reversal of 102010122031 is 130221010201.

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 102010122031 - 215 = 102010089263 is a prime.

It is a super-2 number, since 2×1020101220312 (a number of 23 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 (102010122001) 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, 1379155 + ... + 1451236.

It is an arithmetic number, because the mean of its divisors is an integer number (13314163968).

Almost surely, 2102010122031 is an apocalyptic number.

102010122031 is a deficient number, since it is larger than the sum of its proper divisors (4503189713).

102010122031 is a wasteful number, since it uses less digits than its factorization.

102010122031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2831981.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 102010122031 its reverse (130221010201), we get a palindrome (232231132232).

The spelling of 102010122031 in words is "one hundred two billion, ten million, one hundred twenty-two thousand, thirty-one".

Divisors: 1 23 1567 36041 2830391 65098993 4435222697 102010122031