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331972883 = 11191588387
BaseRepresentation
bin10011110010011…
…000000100010011
3212010122222011222
4103302120010103
51134441113013
652535155255
711140502654
oct2362300423
9763588158
10331972883
11160432160
1293215b2b
1353a13a78
143213752b
151e227508
hex13c98113

331972883 has 8 divisors (see below), whose sum is σ = 381213120. Its totient is φ = 285909480.

The previous prime is 331972871. The next prime is 331972903. The reversal of 331972883 is 388279133.

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 331972883 - 26 = 331972819 is a prime.

It is a super-2 number, since 2×3319728832 = 220411990094663378, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (331972813) 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, 793985 + ... + 794402.

It is an arithmetic number, because the mean of its divisors is an integer number (47651640).

Almost surely, 2331972883 is an apocalyptic number.

331972883 is a deficient number, since it is larger than the sum of its proper divisors (49240237).

331972883 is a wasteful number, since it uses less digits than its factorization.

331972883 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1588417.

The product of its digits is 217728, while the sum is 44.

The square root of 331972883 is about 18220.1230237340. The cubic root of 331972883 is about 692.4167045657.

The spelling of 331972883 in words is "three hundred thirty-one million, nine hundred seventy-two thousand, eight hundred eighty-three".

Divisors: 1 11 19 209 1588387 17472257 30179353 331972883