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380112331031 = 1987612131253
BaseRepresentation
bin1011000100000000111…
…01011110000100010111
31100100010200102002221122
411202000131132010113
522211432224043111
6450342102234155
736314352334556
oct5420035360427
91310120362848
10380112331031
11137228557344
1261802a2595b
1329ac9303a94
141457cb9bd9d
159d4a96acdb
hex588075e117

380112331031 has 8 divisors (see below), whose sum is σ = 380377932144. Its totient is φ = 379846808640.

The previous prime is 380112330989. The next prime is 380112331051. The reversal of 380112331031 is 130133211083.

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 380112331031 - 26 = 380112330967 is a prime.

It is a super-2 number, since 2×3801123310312 (a number of 24 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 (380112331051) 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, 12146801 + ... + 12178053.

It is an arithmetic number, because the mean of its divisors is an integer number (47547241518).

Almost surely, 2380112331031 is an apocalyptic number.

380112331031 is a deficient number, since it is larger than the sum of its proper divisors (265601113).

380112331031 is a wasteful number, since it uses less digits than its factorization.

380112331031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39361.

The product of its (nonzero) digits is 1296, while the sum is 26.

The spelling of 380112331031 in words is "three hundred eighty billion, one hundred twelve million, three hundred thirty-one thousand, thirty-one".

Divisors: 1 1987 6121 31253 12162427 62099711 191299613 380112331031