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31433012361197 = 149959320961029
BaseRepresentation
bin1110010010110100100011…
…00010010011011111101101
311010021222002200021021001022
413021122101202103133231
513104444302131024242
6150504043155223525
76422650230443246
oct711322142233755
9133258080237038
1031433012361197
11a019736025987
123637b182a7ba5
13147017452cc55
147a951a103ccd
153979a12490d2
hex1c96918937ed

31433012361197 has 4 divisors (see below), whose sum is σ = 31433034821820. Its totient is φ = 31432989900576.

The previous prime is 31433012361143. The next prime is 31433012361319. The reversal of 31433012361197 is 79116321033413.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 30618747963241 + 814264397956 = 5533421^2 + 902366^2 .

It is a cyclic number.

It is not a de Polignac number, because 31433012361197 - 214 = 31433012344813 is a prime.

It is a super-4 number, since 4×314330123611974 (a number of 55 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31433012361997) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8980922 + ... + 11980107.

It is an arithmetic number, because the mean of its divisors is an integer number (7858258705455).

Almost surely, 231433012361197 is an apocalyptic number.

It is an amenable number.

31433012361197 is a deficient number, since it is larger than the sum of its proper divisors (22460623).

31433012361197 is a wasteful number, since it uses less digits than its factorization.

31433012361197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22460622.

The product of its (nonzero) digits is 244944, while the sum is 44.

The spelling of 31433012361197 in words is "thirty-one trillion, four hundred thirty-three billion, twelve million, three hundred sixty-one thousand, one hundred ninety-seven".

Divisors: 1 1499593 20961029 31433012361197