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2431221342 = 2311191938773
BaseRepresentation
bin1001000011101001…
…0111111001011110
320021102202211200220
42100322113321132
514434343040332
61041125302210
7114151016604
oct22072277136
96242684626
102431221342
1110383a7640
1257a264966
132c98ca814
14190c69874
15e3691d2c
hex90e97e5e

2431221342 has 32 divisors (see below), whose sum is σ = 5583669120. Its totient is φ = 697957920.

The previous prime is 2431221301. The next prime is 2431221383.

It is a happy number.

2431221342 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (2431221301) and next prime (2431221383).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 968133 + ... + 970640.

It is an arithmetic number, because the mean of its divisors is an integer number (174489660).

Almost surely, 22431221342 is an apocalyptic number.

2431221342 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2431221342 is an abundant number, since it is smaller than the sum of its proper divisors (3152447778).

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

2431221342 is a wasteful number, since it uses less digits than its factorization.

2431221342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1938808.

The product of its digits is 2304, while the sum is 24.

The square root of 2431221342 is about 49307.4167037779. The cubic root of 2431221342 is about 1344.6466260704.

It can be divided in two parts, 24312 and 21342, that added together give a palindrome (45654).

The spelling of 2431221342 in words is "two billion, four hundred thirty-one million, two hundred twenty-one thousand, three hundred forty-two".

Divisors: 1 2 3 6 11 19 22 33 38 57 66 114 209 418 627 1254 1938773 3877546 5816319 11632638 21326503 36836687 42653006 63979509 73673374 110510061 127959018 221020122 405203557 810407114 1215610671 2431221342