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31234111143213 = 3111974804508713
BaseRepresentation
bin1110001101000010000100…
…00110010111110100101101
311002120221200220112111010010
413012201002012113310231
513043214424423040323
6150232430320003433
76402406251130326
oct706410206276455
9132527626474103
1031234111143213
119a523485179a0
123605468760579
131457496a56264
1479da4bd2544d
1539270e4b9c93
hex1c6842197d2d

31234111143213 has 16 divisors (see below), whose sum is σ = 45662050817856. Its totient is φ = 18833674151040.

The previous prime is 31234111143181. The next prime is 31234111143239.

It is a happy number.

31234111143213 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 31234111143213 - 25 = 31234111143181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31234111143913) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2402247856 + ... + 2402260857.

It is an arithmetic number, because the mean of its divisors is an integer number (2853878176116).

Almost surely, 231234111143213 is an apocalyptic number.

31234111143213 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

31234111143213 is a deficient number, since it is larger than the sum of its proper divisors (14427939674643).

31234111143213 is a wasteful number, since it uses less digits than its factorization.

31234111143213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4804508924.

The product of its digits is 5184, while the sum is 30.

It can be divided in two parts, 3123411 and 1143213, that added together give a palindrome (4266624).

The spelling of 31234111143213 in words is "thirty-one trillion, two hundred thirty-four billion, one hundred eleven million, one hundred forty-three thousand, two hundred thirteen".

Divisors: 1 3 11 33 197 591 2167 6501 4804508713 14413526139 52849595843 158548787529 946488216461 2839464649383 10411370381071 31234111143213