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31020100131010 = 2515677159276517
BaseRepresentation
bin1110000110110011011100…
…00011001001100011000010
311001211111022010001122010211
413003121232003021203002
513031213131113143020
6145550234241144334
76351061666421254
oct703315603114302
9131744263048124
1031020100131010
11997a606916971
12358baa092b0aa
13144024ba70a23
14793549101cd4
1538bd85e8985a
hex1c366e0c98c2

31020100131010 has 32 divisors (see below), whose sum is σ = 55879819269120. Its totient is φ = 12398344771392.

The previous prime is 31020100131001. The next prime is 31020100131029. The reversal of 31020100131010 is 1013100102013.

It is a super-2 number, since 2×310201001310102 (a number of 28 digits) contains 22 as substring.

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, 112043272 + ... + 112319788.

It is an arithmetic number, because the mean of its divisors is an integer number (1746244352160).

Almost surely, 231020100131010 is an apocalyptic number.

31020100131010 is a deficient number, since it is larger than the sum of its proper divisors (24859719138110).

31020100131010 is a wasteful number, since it uses less digits than its factorization.

31020100131010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285250.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 31020100131010 its reverse (1013100102013), we get a palindrome (32033200233023).

The spelling of 31020100131010 in words is "thirty-one trillion, twenty billion, one hundred million, one hundred thirty-one thousand, ten".

Divisors: 1 2 5 10 1567 3134 7159 7835 14318 15670 35795 71590 276517 553034 1382585 2765170 11218153 22436306 56090765 112181530 433302139 866604278 1979585203 2166510695 3959170406 4333021390 9897926015 19795852030 3102010013101 6204020026202 15510050065505 31020100131010