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31002021201201 = 3171931993829929
BaseRepresentation
bin1110000110010001110000…
…11101100000010100110001
311001202202122011100211202220
413003020320131200110301
513030414114411414301
6145534044255031253
76346551662151141
oct703107035402461
9131682564324686
1031002021201201
119972979824366
12358849620b529
13143b62a39621b
1479271200a921
1538b678bde936
hex1c3238760531

31002021201201 has 16 divisors (see below), whose sum is σ = 46071115099200. Its totient is φ = 18428446038528.

The previous prime is 31002021201149. The next prime is 31002021201211. The reversal of 31002021201201 is 10210212020013.

It is not a de Polignac number, because 31002021201201 - 214 = 31002021184817 is a prime.

It is a super-2 number, since 2×310020212012012 (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31002021201211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15996913996 + ... + 15996915933.

It is an arithmetic number, because the mean of its divisors is an integer number (2879444693700).

Almost surely, 231002021201201 is an apocalyptic number.

It is an amenable number.

31002021201201 is a deficient number, since it is larger than the sum of its proper divisors (15069093897999).

31002021201201 is a wasteful number, since it uses less digits than its factorization.

31002021201201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31993829968.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 31002021201201 its reverse (10210212020013), we get a palindrome (41212233221214).

The spelling of 31002021201201 in words is "thirty-one trillion, two billion, twenty-one million, two hundred one thousand, two hundred one".

Divisors: 1 3 17 19 51 57 323 969 31993829929 95981489787 543895108793 607882768651 1631685326379 1823648305953 10334007067067 31002021201201