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31042101030 = 2351735981137
BaseRepresentation
bin11100111010010000…
…001101111100100110
32222010101012010020120
4130322100031330212
51002033234213110
622132135542410
72146152335163
oct347220157446
988111163216
1031042101030
111218a502a56
126023b2aa06
132c09253225
1417069d506a
15c1a374870
hex73a40df26

31042101030 has 32 divisors (see below), whose sum is σ = 74931696864. Its totient is φ = 8230043136.

The previous prime is 31042101019. The next prime is 31042101059. The reversal of 31042101030 is 3010124013.

It is a super-2 number, since 2×310421010302 (a number of 22 digits) contains 22 as substring.

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 polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2985379 + ... + 2995758.

It is an arithmetic number, because the mean of its divisors is an integer number (2341615527).

Almost surely, 231042101030 is an apocalyptic number.

31042101030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

31042101030 is an abundant number, since it is smaller than the sum of its proper divisors (43889595834).

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

31042101030 is a wasteful number, since it uses less digits than its factorization.

31042101030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5981320.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 31042101030 its reverse (3010124013), we get a palindrome (34052225043).

The spelling of 31042101030 in words is "thirty-one billion, forty-two million, one hundred one thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 173 346 519 865 1038 1730 2595 5190 5981137 11962274 17943411 29905685 35886822 59811370 89717055 179434110 1034736701 2069473402 3104210103 5173683505 6208420206 10347367010 15521050515 31042101030