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31012302021010 = 254372121632607
BaseRepresentation
bin1110000110100100111010…
…01111101110000110010010
311001210202011122112121020221
413003102131033232012102
513031101143304133020
6145542504352423254
76350364516526552
oct703223517560622
9131722148477227
1031012302021010
119977275002462
12358a485247b2a
13143c5a82c725b
1479300958d162
1538ba7b56d6aa
hex1c349d3ee192

31012302021010 has 16 divisors (see below), whose sum is σ = 57120333025536. Its totient is φ = 12116434277808.

The previous prime is 31012302020977. The next prime is 31012302021013. The reversal of 31012302021010 is 1012020321013.

It is not an unprimeable number, because it can be changed into a prime (31012302021013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36060815874 + ... + 36060816733.

It is an arithmetic number, because the mean of its divisors is an integer number (3570020814096).

Almost surely, 231012302021010 is an apocalyptic number.

31012302021010 is a deficient number, since it is larger than the sum of its proper divisors (26108031004526).

31012302021010 is a wasteful number, since it uses less digits than its factorization.

31012302021010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72121632657.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 31012302021010 its reverse (1012020321013), we get a palindrome (32024322342023).

The spelling of 31012302021010 in words is "thirty-one trillion, twelve billion, three hundred two million, twenty-one thousand, ten".

Divisors: 1 2 5 10 43 86 215 430 72121632607 144243265214 360608163035 721216326070 3101230202101 6202460404202 15506151010505 31012302021010