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331401030 = 23511046701
BaseRepresentation
bin10011110000001…
…100011101000110
3212002120220202020
4103300030131012
51134314313110
652515024010
711132601522
oct2360143506
9762526666
10331401030
11160081554
1292b9b006
13538736ac
1432028d82
151e162d70
hex13c0c746

331401030 has 16 divisors (see below), whose sum is σ = 795362544. Its totient is φ = 88373600.

The previous prime is 331401029. The next prime is 331401071. The reversal of 331401030 is 30104133.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5523321 + ... + 5523380.

It is an arithmetic number, because the mean of its divisors is an integer number (49710159).

Almost surely, 2331401030 is an apocalyptic number.

331401030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

331401030 is an abundant number, since it is smaller than the sum of its proper divisors (463961514).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

331401030 is a wasteful number, since it uses less digits than its factorization.

331401030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11046711.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 331401030 is about 18204.4233635674. The cubic root of 331401030 is about 692.0188928095.

Adding to 331401030 its reverse (30104133), we get a palindrome (361505163).

The spelling of 331401030 in words is "three hundred thirty-one million, four hundred one thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 11046701 22093402 33140103 55233505 66280206 110467010 165700515 331401030