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102031311202310 = 257217411312280517
BaseRepresentation
bin10111001100110000000100…
…000011110110100000000110
3111101021002122111201021001102
4113030300010003312200012
5101333140111131433220
61001000312015300102
730330343002364400
oct2714600403664006
9441232574637042
10102031311202310
112a56826624a766
12b53a42781a632
1344c1685600259
141b2a4add05b70
15bbe10657a775
hex5ccc040f6806

102031311202310 has 192 divisors, whose sum is σ = 233494466014656. Its totient is φ = 31876140441600.

The previous prime is 102031311202189. The next prime is 102031311202313. The reversal of 102031311202310 is 13202113130201.

It is a happy number.

It is a super-2 number, since 2×1020313112023102 (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102031311202313) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 43600172 + ... + 45880688.

It is an arithmetic number, because the mean of its divisors is an integer number (1216117010493).

Almost surely, 2102031311202310 is an apocalyptic number.

102031311202310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102031311202310 is an abundant number, since it is smaller than the sum of its proper divisors (131463154812346).

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

102031311202310 is a wasteful number, since it uses less digits than its factorization.

102031311202310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2280727 (or 2280720 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 102031311202310 its reverse (13202113130201), we get a palindrome (115233424332511).

The spelling of 102031311202310 in words is "one hundred two trillion, thirty-one billion, three hundred eleven million, two hundred two thousand, three hundred ten".