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231342121243132 = 22439713153406939
BaseRepresentation
bin110100100110011110001000…
…111101010101000111111100
31010100010002110012020010022121
4310212132020331111013330
5220310302131014240012
62140005034152452324
766504626266240504
oct6446361075250774
91110102405203277
10231342121243132
1167792708401a29
1221b437a03aa0a4
139c11612192b63
14411b038742a04
151bb2b15ad6a07
hexd26788f551fc

231342121243132 has 12 divisors (see below), whose sum is σ = 404940786054840. Its totient is φ = 115644753798896.

The previous prime is 231342121243069. The next prime is 231342121243141.

231342121243132 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×2313421212431322 (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6576685882 + ... + 6576721057.

It is an arithmetic number, because the mean of its divisors is an integer number (33745065504570).

Almost surely, 2231342121243132 is an apocalyptic number.

It is an amenable number.

231342121243132 is a deficient number, since it is larger than the sum of its proper divisors (173598664811708).

231342121243132 is a wasteful number, since it uses less digits than its factorization.

231342121243132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13153411340 (or 13153411338 counting only the distinct ones).

The product of its digits is 41472, while the sum is 34.

The spelling of 231342121243132 in words is "two hundred thirty-one trillion, three hundred forty-two billion, one hundred twenty-one million, two hundred forty-three thousand, one hundred thirty-two".

Divisors: 1 2 4 4397 8794 17588 13153406939 26306813878 52613627756 57835530310783 115671060621566 231342121243132