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331432023 = 3138498257
BaseRepresentation
bin10011110000010…
…100000001010111
3212002122111021010
4103300110001113
51134321311043
652515423303
711133061056
oct2360240127
9762574233
10331432023
111600a286a
1292bb4b33
1353884830
143203639d
151e16c133
hex13c14057

331432023 has 8 divisors (see below), whose sum is σ = 475902448. Its totient is φ = 203958144.

The previous prime is 331432019. The next prime is 331432033. The reversal of 331432023 is 320234133.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 331432023 - 22 = 331432019 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 (331432033) 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, 4249090 + ... + 4249167.

It is an arithmetic number, because the mean of its divisors is an integer number (59487806).

Almost surely, 2331432023 is an apocalyptic number.

331432023 is a deficient number, since it is larger than the sum of its proper divisors (144470425).

331432023 is a wasteful number, since it uses less digits than its factorization.

331432023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8498273.

The product of its (nonzero) digits is 1296, while the sum is 21.

The square root of 331432023 is about 18205.2745928206. The cubic root of 331432023 is about 692.0404649341.

Adding to 331432023 its reverse (320234133), we get a palindrome (651666156).

The spelling of 331432023 in words is "three hundred thirty-one million, four hundred thirty-two thousand, twenty-three".

Divisors: 1 3 13 39 8498257 25494771 110477341 331432023