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31020022012101 = 3191673258747979
BaseRepresentation
bin1110000110110011010010…
…11001001001100011000101
311001211111002200001210010220
413003121221121021203011
513031213001113341401
6145550222410534553
76351060030421323
oct703315131114305
9131744080053126
1031020022012101
11997a57680aa91
12358ba7a737459
13144023881b915
1479353c9a8d13
1538bd7e1a8336
hex1c36696498c5

31020022012101 has 16 divisors (see below), whose sum is σ = 43797572851200. Its totient is φ = 19474277916528.

The previous prime is 31020022012099. The next prime is 31020022012103. The reversal of 31020022012101 is 10121022002013.

It is an interprime number because it is at equal distance from previous prime (31020022012099) and next prime (31020022012103).

It is not a de Polignac number, because 31020022012101 - 21 = 31020022012099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31020022012103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1629364471 + ... + 1629383508.

It is an arithmetic number, because the mean of its divisors is an integer number (2737348303200).

Almost surely, 231020022012101 is an apocalyptic number.

It is an amenable number.

31020022012101 is a deficient number, since it is larger than the sum of its proper divisors (12777550839099).

31020022012101 is a wasteful number, since it uses less digits than its factorization.

31020022012101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3258748168.

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

Adding to 31020022012101 its reverse (10121022002013), we get a palindrome (41141044014114).

The spelling of 31020022012101 in words is "thirty-one trillion, twenty billion, twenty-two million, twelve thousand, one hundred one".

Divisors: 1 3 19 57 167 501 3173 9519 3258747979 9776243937 61916211601 185748634803 544210912493 1632632737479 10340007337367 31020022012101