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31241022113021 = 721372088443219
BaseRepresentation
bin1110001101001110111100…
…00001101000010011111101
311002121121112112202010102212
413012213132001220103331
513043323103130104041
6150235532154030205
76403042436323340
oct706473601502375
9132547475663385
1031241022113021
119a55274592896
123606877118365
1314580287897c6
147a0105b08457
153929b60998eb
hex1c69de0684fd

31241022113021 has 8 divisors (see below), whose sum is σ = 35720732834880. Its totient is φ = 26765488281888.

The previous prime is 31241022113017. The next prime is 31241022113027. The reversal of 31241022113021 is 12031122014213.

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 31241022113021 - 22 = 31241022113017 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31241022113027) 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, 1044206651 + ... + 1044236568.

It is an arithmetic number, because the mean of its divisors is an integer number (4465091604360).

Almost surely, 231241022113021 is an apocalyptic number.

It is an amenable number.

31241022113021 is a deficient number, since it is larger than the sum of its proper divisors (4479710721859).

31241022113021 is a wasteful number, since it uses less digits than its factorization.

31241022113021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2088445363.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 31241022113021 its reverse (12031122014213), we get a palindrome (43272144127234).

The spelling of 31241022113021 in words is "thirty-one trillion, two hundred forty-one billion, twenty-two million, one hundred thirteen thousand, twenty-one".

Divisors: 1 7 2137 14959 2088443219 14619102533 4463003159003 31241022113021