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31422203022 = 2373971884503
BaseRepresentation
bin11101010000111010…
…001100010010001110
310000002212102022011010
4131100322030102032
51003323040444042
622233554510050
72161446214230
oct352072142216
9100085368133
1031422203022
1112365018231
12610b295326
132c69c18952
14174129a250
15c3d90759c
hex750e8c48e

31422203022 has 32 divisors (see below), whose sum is σ = 72003128832. Its totient is φ = 8955153504.

The previous prime is 31422203003. The next prime is 31422203041. The reversal of 31422203022 is 22030222413.

It is an interprime number because it is at equal distance from previous prime (31422203003) and next prime (31422203041).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 31422203022.

It is a congruent number.

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, 925578 + ... + 958925.

It is an arithmetic number, because the mean of its divisors is an integer number (2250097776).

Almost surely, 231422203022 is an apocalyptic number.

31422203022 is an abundant number, since it is smaller than the sum of its proper divisors (40580925810).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31422203022 is a wasteful number, since it uses less digits than its factorization.

31422203022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1884912.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 31422203022 its reverse (22030222413), we get a palindrome (53452425435).

The spelling of 31422203022 in words is "thirty-one billion, four hundred twenty-two million, two hundred three thousand, twenty-two".

Divisors: 1 2 3 6 7 14 21 42 397 794 1191 2382 2779 5558 8337 16674 1884503 3769006 5653509 11307018 13191521 26383042 39574563 79149126 748147691 1496295382 2244443073 4488886146 5237033837 10474067674 15711101511 31422203022