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31112002202030 = 2517183011777659
BaseRepresentation
bin1110001001011110100111…
…10101101110100110101110
311002011021111221000120011222
413010233103311232212232
513034214340030431110
6150100353445343342
76360524263221341
oct704572365564656
9132137457016158
1031112002202030
119a05587178082
1235a586a707b52
131448b069703c9
14797b86886458
1538e4642d2c55
hex1c4bd3d6e9ae

31112002202030 has 16 divisors (see below), whose sum is σ = 59295815961840. Its totient is φ = 11712753770112.

The previous prime is 31112002202027. The next prime is 31112002202053. The reversal of 31112002202030 is 3020220021113.

It is a super-2 number, since 2×311120022020302 (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

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, 91505888660 + ... + 91505888999.

It is an arithmetic number, because the mean of its divisors is an integer number (3705988497615).

Almost surely, 231112002202030 is an apocalyptic number.

31112002202030 is a deficient number, since it is larger than the sum of its proper divisors (28183813759810).

31112002202030 is a wasteful number, since it uses less digits than its factorization.

31112002202030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183011777683.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 31112002202030 its reverse (3020220021113), we get a palindrome (34132222223143).

The spelling of 31112002202030 in words is "thirty-one trillion, one hundred twelve billion, two million, two hundred two thousand, thirty".

Divisors: 1 2 5 10 17 34 85 170 183011777659 366023555318 915058888295 1830117776590 3111200220203 6222400440406 15556001101015 31112002202030