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40231131302 = 252139899679
BaseRepresentation
bin100101011101111101…
…100101100010100110
310211211202222020001002
4211131331211202212
51124343132200202
630252032433302
72622651654665
oct453575454246
9124752866032
1040231131302
111607547444a
1279693a8832
133a41c1974b
141d39174ddc
1510a6e40302
hex95df658a6

40231131302 has 16 divisors (see below), whose sum is σ = 60483931200. Its totient is φ = 20069849280.

The previous prime is 40231131277. The next prime is 40231131383. The reversal of 40231131302 is 20313113204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4151699 + ... + 4161377.

It is an arithmetic number, because the mean of its divisors is an integer number (3780245700).

Almost surely, 240231131302 is an apocalyptic number.

40231131302 is a deficient number, since it is larger than the sum of its proper divisors (20252799898).

40231131302 is a wasteful number, since it uses less digits than its factorization.

40231131302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14191.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 40231131302 its reverse (20313113204), we get a palindrome (60544244506).

The spelling of 40231131302 in words is "forty billion, two hundred thirty-one million, one hundred thirty-one thousand, three hundred two".

Divisors: 1 2 521 1042 3989 7978 9679 19358 2078269 4156538 5042759 10085518 38609531 77219062 20115565651 40231131302