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31033202030 = 2537265731567
BaseRepresentation
bin11100111001101110…
…010001010101101110
32222002202110000002222
4130321232101111232
51002023444431110
622131221115342
72146013602445
oct347156212556
988082400088
1031033202030
1112185485006
126020b58b52
132c0745884c
141705759d5c
15c196b7c55
hex739b9156e

31033202030 has 32 divisors (see below), whose sum is σ = 57392896896. Its totient is φ = 12072858624.

The previous prime is 31033202021. The next prime is 31033202071. The reversal of 31033202030 is 3020233013.

It is a super-2 number, since 2×310332020302 (a number of 22 digits) contains 22 as substring.

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, 967307 + ... + 998873.

It is an arithmetic number, because the mean of its divisors is an integer number (1793528028).

Almost surely, 231033202030 is an apocalyptic number.

31033202030 is a deficient number, since it is larger than the sum of its proper divisors (26359694866).

31033202030 is a wasteful number, since it uses less digits than its factorization.

31033202030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34268.

The product of its (nonzero) digits is 324, while the sum is 17.

Adding to 31033202030 its reverse (3020233013), we get a palindrome (34053435043).

The spelling of 31033202030 in words is "thirty-one billion, thirty-three million, two hundred two thousand, thirty".

Divisors: 1 2 5 10 37 74 185 370 2657 5314 13285 26570 31567 63134 98309 157835 196618 315670 491545 983090 1167979 2335958 5839895 11679790 83873519 167747038 419367595 838735190 3103320203 6206640406 15516601015 31033202030